User Manual

Important Safeguards and Warnings
The following description is the correct application method for the device. Please read the
manual carefully before use to prevent damage or property loss.
Operating Requirements
• Do not place or install the device in an areas of high exposure to direct sunlight or near high
heat generating devices.
• Do not install the device in areas of high humidity, dust, or fuliginous areas.
The device must be installed horizontally or installed in a stable place that will prevent the
device from falling.
• Do not drip or splash liquids into the device. Do not submerge the device in any liquids.
• Install the device in a well ventilated place free from obstruction.
Only use the device within rated input and output voltage ranges.
• Ensure the power breaker to the installation source is turned off before installing the device.
• Do not attempt to disassemble or repair the device. If the device is defective, please consult
Amcrest directly for any replacement or repairs.
• Do not transport, use, or store the device in areas that exceed the recommended humidity and
temperature ranges.
Power Requirements
The device is designed to operate with existing doorbell wiring, transformers, and chime. If the
installation area does not have existing doorbell wiring or suitable voltage, please consult an
electrician to replace or install proper doorbell wiring.
The device requires 16~24V AC to function. A transformer with 16~30V AC will be suitable to
power the device.
• If a power adapter is being used to power your doorbell, ensure the power supply meets SELV
(safety extra low voltage) requirements and its rated voltage conforms to Limited Power Source
in IEC60950-1. For specific power supply requirements, please refer to the device’s label stick
er.
This device does not require the use of additional diodes or resistors to function. It is highly
recommended to consult an electrician to establish a proper wired electrical connection for
your doorbell if existing wiring is not available.
3