The wireless security system description

Description
This wireless security system provides peace of mind without tearing your budget to pieces! The wireless receiver in your home will chime when the infrared security alert sensor outside detects motion, so you’ll be prepared for that unexpected knock at the door or beep in your driveway. Wireless motion sensor mounts outside on a post or wall, and you can set the receiver anywhere in your house (within 400 ft. of the sensor). The wireless security system is easy to install and includes mounting hardware.
1.A wireless receiver chimes to alert when a person or vehicle comes within 400 ft. range
2.Powerful outdoor weather-proof infrared sensor detects motion and sends a signal to the indoor wireless receiver
3.Easy installation, mounting hardware included
Specifications
Power Supply (Receiver): DC 1.5 V C Battery x 3 or AC 110-120V 60Hz(not included)
Power Supply (PIR Transmitter): DC 4.5 V (1.5 V AAA Battery x 3 )
Motion detecting range: 5 - 8 m/16-26ft
Operating range: 100m/328ft
Ring Volume: ≥100dB ( within 0.5 m/1.6ft)

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