Wireless Driveway Alarm Infrared Motion Sensor Garage Alert Door Home Security System Alarm Home Security Alarm System Alert Feature: â€? Home Security Alarm System Alert DIY your home/office/warehouse/Store/Garage alarm alert system by adding more Receivers or Sensors by Matching Button. â€? The Infrared Home Security Alarm System Alert you the moment someone enters your property. â€? With this Home Security Alarm System Alert , you’ll always have advanced notice that someone’s on their way to your door. â€? The Compact, discreet motion-sensor unit installs on garage, mailbox, fencepost... nearly anywhere. â€? You can placed the Home Security Alarm System Alert outdoor, Home Security Alarm System Alert is waterproof. When PIR sensor triggered by a vehicle or person, Home Security Alarm System Alert sends a wireless signal to the receiver unit, up to 1000 feet(300m) away â€? Home Security Alarm System Alert Install in minutes, no tools needed. Note For Home Security Alarm System Alert 3 Audio/Visual Modes Home Security Alarm System Alert : (1) Alarm and Blue LED flashing Home Security Alarm System Alert (2) Chime(ding-dong sound) Home Security Alarm System Alert (3) Blue LED flashing only Home Alarm System Home Alarm System PIR Sensing Angle:45° Home Alarm System PIR Sensing Distance:12ft-15ft Home Alarm System PIR Waterproof Level: IP-44 Home Alarm System Expandable: Multiple receivers can work with multiple sensors A. Transmitter PIR Sensor Viewing Area: 45°C Approx. Horizontal PIR Sensor Range: 15ft approx. (varies by local conditions) Transmission Range:1000ft/300m approx.(in the open air) Waterproof Level: IP-44, fit for outdoor use. Power Requirements 1.5 V AAA Battery x 3 (Battery is NOT included) B. Receiver Power Requirements: 1.5 V C Battery x 3 Or DC 5V adapter. (Battery and adapter are NOT included) Chime Volume Approx.100dB( within 0.5 m) Package Included 1 x PIR Transmitter (Sensor) 1 x Receiver 1 x Manual Screws