User's Manual

Quality Warranty
In order to use the product correctly, please read the manual carefully.
Product specifications may change without prior notice for product improvement.
If the product does not operate normally, contact your dealer and do not disassemble the
product. I can not get warranty
Note to customers
All hardware products manufactured and produced by our company have been passed after strict qua
lity control and inspection.
A. Warranty period : 1 year
B. Period of repair parts : 5 years from the date of the model release
C. Warranty contents
-In the event of failure on normal use during warranty period, we provide free of charge repair service
in our Service center.
-If you switch general product to the commercially, warranty period is reduced to half.
-In the following cases, even within the warranty period, some actual cost of repair can be charged or
the repair service may be not possible at a cost.
1)Usage of negligence / shock / carelessness / dropping in water
2)If you disassemble or modify the product for other purposes
3)Breakdown by natural disaster like fire, earthquake, flood etc.
4)If the product is repaired outside of our service center
5)If the product is not service guaranteed product or requested for service in outside of the service gu
arantee area
-Individual items that are not explicitly stated in this section are based on our service center and custo
mer support operating principles and internal regulations, and other matters are reviewed and implem
ented for the convenience of end users.
Trade Name or Applicant TO21Comms
Equipment Name SMART GLASS
Basic Model Number SQ Glass
Certification No.
Manufacturer/Country of Origin REPUBLIC of KOREA
Company Adress
504, Ace High-End Tower, 61, Digital-ro-26-gil, Guro-
gu, Seoul 08389, Korea
Contact us Email. isson@to21.co.kr / tel. 82-2-6342-0034