Infrared IR Motion Detect Sensor Welcome Alarm Greeting Warning Doorbell

Description

Features:
The product uses advanced micro-computer manufacturing technology, automatic body sensing, high performance, energy-saving ease of use.
Sensitivity, and without inadvertently touching, interference, so that it can effectively monitor the environment from a variety of account within the scope of its monitoring of human movement.
Suitable for the needs of the market closer to the lives of consumers, and applicable to the office, home, shops, factories and other places.
Bring the convenience and unexpected joy and a sense of security.
User Instructions:
Put in three pieces of AAA 1.5V batteries. The static current is by microampere 3 pieces of AAA 1.5V batteries can last for more than two months.
Specifications:
Power: DC4.5V or DC9V
Detecting Distance: 2-8m
Detecting Angle: 110°
Alarming Sound Depth: 75-95 decibels
2 choice of power supply: 3 AAA battery or 9V power adapter
Color: White/Black/Pink/Yellow/Red/Blue/Purple/Green/Golden
Package weight: 100g
Package:
1 x Greeting Doorbell
(Battery and power adapter not included)