1pc Wireless Door Bell Welcome Alert Alarm PIR Motion Sensor High

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Description:

Infrared sensor adopt to digital fuzzy treatment, automatic temperature compensation, Radio frequency anti-interference,has low rate of false alarm.

Integrating a variety of functions,welcome,wireless doorbell ,guard and so on.

2 choice of power supply :3 AAA battery(not included) and 9-15v power adapter

Support human voice, 32 beautiful songs and alarm

4 level of adjustable sound volume

Specification:

Condition: 100%

Material: Plastic

Power Supply: 9-12V

Battery: 3 * AAA batteries (not included)

Detection Angle: 110°(horizontal), 60°(vertical)

Volume: 85db±5db

Bell Number: 32

Product Size: Approx. 5 * 8cm / 2.0 * 3.1inch

Package Includes:

1 x Door Bell

Note:

1. Please use good quality alkaline batteries, avoid using less electricity and electrolyte leakage carbon battery.

2. Non-professional workers do not repair without authorization.

3. Please avoid the product installed in the rain,with long time direct sunshine,strong magnetic,heavy cold and hot air place.

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