User's Manual
Table Of Contents

1 5
1
2
3
4
DC power input interface
Power switch: Long press to turn on
OLED display: It can display mode, brightness, color temperature, 
hue, color purity, scene, period, etc. 
Compound knob buttons: Press the button to enter the sub-menu 
and parameter adjustment; rotate up and down to select the menu 
and adjust the light parameters.
6 7 8 9 1042
GVM-RGB20W
3
Angle fixing knob
Hot shoe lock knob
Light interface
Hot shoe
GVM-RGB20W
Hot Shoe Bracket
Compound 
knob buttons
Return 
button
Adapter 
interface
Battery 
Installation 
Slot
Cooling
 hole
Bracket interface
OLED display
Hot shoe interface
ON/OFF
Adapter Interface
D
C IN
Battery Installation Slot
1
2
4
3
DCIN
5
5
return button: Press to return to the previous menu and exit the 
parameter adjustment.
11
Rotate the compound knob to select the mode, and lightly press the 
compound knob to enter the mode.
CCT : Adjust the brightness and color temperature through the compound 
knob or APP.
SCENE  : There  are  8  scenes:Lightning,  Cop  Car,  Candle,  TV,  Bad 
Bulb, Party, Disco, Paparazzi , Use the compound knob to select the 
scene and adjust the brightness, color temperature, time and other 
parameters.
Any  mode  has  brightness  adjustment.  Rotate  the  compound  knob 
to select the desired mode → press the compound knob to enter the 
mode → rotate the compound knob to select brightness adjustment 
→ lightly press the compound knob to enter brightness adjustment 
→ rotate the compound knob to adjust the brightness. 
The brightness can be adjusted by APP when connected to APP.
Rotate the compound knob to select CCT mode → press the compound 
knob to enter CCT mode → Rotate the compound knob to select color
temperature  adjustment  →  press  the  compound  knob  to  enter  color 
The color temperature can be adjusted by APP when connected to APP.
Turn on the video light, open the "GVM LED" APP application on your 
phone ( phone needs to turn on Bluetooth), after registering the APP 
account and log in, you will enter the Bluetooth search interface → 
find  the  Bluetooth  named  "BT_LED"  and  connect  →  wait  for 
connection  →  successful  connection  Then  automatically  enter  the 
APP control  interface. At  this  time,  you  can  control  the  brightness, 
color temperature, hue, color purity, scene light, period and on / off of 
the connected video light through the APP.
Rotate the compound knob to select HSI mode → press the compound 
knob to enter HSI mode → Rotate the compound knob  to  select hue 
adjustment  → press  the  compound  knob to  enter hue  adjustment  → 
Rotate the compound knob to adjust the hue.
The HUE can be adjusted by APP when connected to APP.
Rotate  the  compound  knob  to  select  the  HSI  mode  →  press  the 
compound knob to enter the HSI mode → rotate the compound knob 
to select the SAT adjustment → press the compound knob to enter 
the  SAT  adjustment  →  Rotate  the  compound  knob  to  adjust  the 
color purity.
TheSAT can be adjusted by APP when connected to APP.
⑥ Adjust the scene mode(SCENCE):
Rotate  the  compound  knob  to  select  SCENE  mode  →  press  the 
compound knob to enter SCENE mode → rotate the compound knob 
to select the desired scene light → press the compound knob to enter 
the menu of this scene light → rotate the compound knob to select the 
item to be adjusted → press the compound knob to enter this item → 
rotate The compound knob can adjust the parameters of this item.
Connect the APP, set scene light mode through the APP.
(Press the return button to return to the previous menu)
If you have  forgotten your login  password, 
enter  the  email  address  of  the  user  who 
registered for the APP on the login interface 
and  click  "Reset  Password"  at  the  bottom 
right to reset the login password.
1213
C O N T E N T S
Product introduction     Page 1-------------------------------------------
Disclaimers     Page 2--------------------------------------------------------
Precautions     Page 2-------------------------------------------------------
Product parameter     Page 3---------------------------------------------
Product structure analysis     Page 4------------------------------------
Installation method     Page 5,6,7----------------------------------------
Description of product control keys     Page 8-----------------------
Function introduction and instruction for use   Page 9,10-------
APP connection and APP control   Page 11,12---------------------
Simple faults and troubleshooting    Page 12------------------------
Use and preservation    Page 13-----------------------------------------
1.
PRECAUTIONS
① Please use the matching power adapter or lithium battery with the same 
specification  to  power  the  product.  Do  not  use  power  adapter  with 
different output voltage parameters.
The product is not waterproof, please use it in rainproof environment.②
The product is not anti-corrosion, therefore do not let the product touch 
any corrosive liquid. 
③
When using the product, make sure the product is put firmly and prevent 
from falling and damage.
④
If the product will not be used for a long time, please switch off the power 
to reduce energy loss.
⑤
DISCLAIMERS
Before using this product, please read the instructions carefully and make sure 
use the product correctly. If you don’t obey the instructions and warnings, you 
maybe  cause  harm  to  yourself  and  the  people  around,  or  even  damage  the 
product and other things around. 
2. Once you use this product, you are deemed to have read the disclaimer and warning 
carefully, understand and acknowledge all the terms and contents of this statement, 
and  promise  to  take  full  responsibility  for  the  use  of  this  product  and  possible 
consequences.
PRODUCT PARAMETER
Brand : GVM
Product Name : Photography lights
Product Type : Photography Fill Light
Product model : GVM-RGB20W
Product material : Plastic
Lamp beads quantity : 162
Color rendering index : ≥97
Color temperature : 2700K~10000K
Hue : RGB 0°~360°
SAT : 0%~100%
Brightness : 3500lux/0.5m, 1100lux/1m
Light adjustment method : Step-less adjustment
Function / Feature : High color rendering index light beads, APP control, 
portable, Scene light, RGB light
Power : 20W
Voltage : DC 9V
Power supply mode : DC input&Battery
Power supply : DC 9V/3A
Battery Capacity : NP series battery
Product Weight : 0.4KG
Product Size ( mm ) : 242×106×30
Cooling : Natural heat dissipation
Commodity origin : Huizhou. China
Welcome to "GVM-RGB20W". This product is specially designed for senior 
photography enthusiasts. The product is suitable for live / outdoor / studio 
photography, and  also  for  YouTube  video  shooting. The  main  features  of 
the product are: 
PRODUCT 
INTRODUCTION
①
②
Step-less adjustable RGB color and dual color temperature feature, color 
range  2700K  ~  10000k,  with 162  LED bulbs,  which  is  helpful to restore 
and  enrich  the  color  of  objects  and  provide  you  with  natural  and  vivid 
shooting effect.
App intelligent control system, which can be controlled by your intelligent 
mobile device.
③ With OLED screen display and stable system. Supports 180 ° rotation, 
which can effectively  control  the  light,  allows  you  to easily shoot the 
desired results at will.
We believe that once using our product correctly, you can make huge progress 
when shooting.  Before using  the product,  you are  strongly recommended to 
read the instructions below carefully.
④ The product can simulate 8 kinds of scene lights: Lightning, Police car, 
Candlelight, TV, Bad light bulb, Party, disco, Paparazzi.
PRODUCT 
STRUCTURE ANALYSIS
2
3
INSTALLATION 
METHOD
1
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figure belo w.
4
There are two power supply modes to choose.
② Insert a suitable lithium battery and use a battery power supply. 
Install it on the camera as shown below.
Loosen the angle locking knob of the hot shoe bracket, adjust it 
to the proper angle, and tighten the knob.
① Connect the adapter for power supply. 
DESCRIPTION OF 
PRODUCT CONTROL KEYS
USE AND 
PRESERVATION
Do  not  put  the  product  in  a  highly  humid,  strong  electromagnetic  field, 
direct sunlight, high-temperature environment. If not use the product for a 
long time, disconnect the power and take out the battery.
Clean:Before clean, disconnect the power plug. And use wet cloth rather than any 
detergent or soluble liquid, avoiding damaging the surface layer.
Repairing:If  there  is  fault  or  performance  degradation,  do  not  unpack  the  shell  by 
yourself, avoiding damage the machine and lose the right of maintenance. When there 
is a fault, do not hesitate to contact us, and we will do our best to deal with the problem.
Accessories:Please use the accessories provided by manufacturer and approved 
ones, in order to maximize the performance.
Guarantee:Do does not modify the product, or you will lose the right of maintenance.
Clean:
Repairing:
Accessories:
Guarantee:
Power:Make sure the power is in the demanded range, not too high or too low. Correctly 
load the battery, in order not the damage to machine.
Power:
SIMPIE FAULTS 
AND TROUBLESHOOTING
Phenomenon
①
②
Make  sure  the  adapter  is  well 
contacted with the power plug.
Charge the battery before using 
it.
Check the product
Troubleshooting
The switch 
indicator 
does not light up
Check the matching power 
adapter  indicator  light  up 
or not.
When using lithium battery, 
make  sure  there's  no  "low 
power" protection.
Check whether the phone is 
turned on Bluetooth and the 
Bluetooth  connection  is 
successful.
Normal steps:
APP can't 
connect / can't 
control
①
Check if the product is “OFF” 
because  of  the  APP  of  the 
mobile phone.
Press the “ON/OFF” button once 
again.
The product is in 
the "ON" state, 
the display and 
lights are not on
Check  whether  the  color  purity 
SAT  value  is  too  low  or  0;  the 
color  purity  value  is  100,  the 
color difference is most obvious.
The light 
cannot adjust 
RGB color
Increase the SAT value in 
HSI mode
② Adjust brightness (BRG): range 0%~100%
① Mode selection:
③ Adjust color temperature (CCT): range 2700K~10000K
④ Adjust HUE: range 0° ~ 360°
⑤ Adjust color purity(SAT): range 0%~100%
FUNCTION INSTRUCTION & 
INSTRUCTION FOR USE
Scan the QR code on the back of the manual to download the APP
Modes include : CCT, HSI, SCENE
HSI : Adjust the brightness, hue and color purity through the compound 
knob or APP.
temperature adjustment → rotate the compound knob to adjust the 
color temperature.
(Press the return button to return to the previous menu)
(Press the return button to return to the previous menu)
(Press the return button to return to the previous menu)
(Press the return button to return to the previous menu)
APP CONTROL AND 
APP ON-LINE CONTROL
Turn on the lights and turn 
on the phone's Bluetooth
② Open APP, connect 
Bluetooth BT_ LED
Web: www.gvmled.com
B&H Email: bh@gvmled.com
GVM Email: support@gvmled.com
Amazon Email: gvmledservice@hotmail.com
 amazonsupport@gvmled.com
FacebookGVM Official website Download APP

