Wireless Doorbell Chime Kit,Home Security Alarm,MALLCROWN Wireless Driveway Alert, Infrared Motion Sensor Chime with 2 Receiver and 1 Sensor,Motion Sensor Detect Alert

Specifications:
Power Supply (Receiver): DC 9 V or AA Battery x 1 (not included)
Power Supply (PIR Transmitter): DC 3 V ( AA Battery x 2 )
Motion detecting range: 3 – 7 m/9-21ft
Operating range: 100m/328ft
Emission Frequency: 315MHZ
PIR Transmitter Size:6*4.8*9cm
Receiver size：6.8*2.3*9.2cm

Instruction:
1Place the correct batteries at the detector in the receive units
2.Make Sure the batteries have been put on the correct position
3.switch button to tON which is positioned throughout the detector unit after installing batteries
4.Mouunt the decetor properly by the front door, window frame,driveway,walkpath,backyard or anywhere you need
5.Switch at the receiver detective system is operating with the infrared detect technology
7.Place the receiver in a proper place to reach
8.when the detector semses motion,the receiver will make an audible sound and the led light will bw flash
9.Pls look forward to 30 seconds after switching on detector and receiver to activate
10.Pls install both units 3 feet above ground level for optimal performance

Package:
1 x PIR Transmitter
2 x Receivers

Easy, Fast, Wire Free Installation: Infrared sensor detects motion and sends a signal to the receiver
The portable wireless plug-in receiver plugs into any standard outlet.
Alerting business owner or home owner with wireless doorbell. The ability to sense motion through the front or back door. Portable design to easily install in homes, place of job, work, retail store, or utilize it for mailbox, garage, driveway or other.
Ideal for front doors, window frames, driveways, walking paths, and anywhere in your house you wish to have to be alerted to motion. Also great to alert business owners which might be working in the back, or out of sight, to customers entering their store.
Package:1 pc Transmitter and Receiver(2 AA batteries not included)