Description Wireless Siren Horn With Motion Detector, Burglar Alarm System Product Features: DIY your home/office/warehouse/Store/Garage alarm alert system by adding more Receivers or Sensors by Matching Button. The Infrared Wireless system alerts you the moment someone enters your property. With this system, youll always have advanced notice that someones on their way to your door. The Compact, discreet motion-sensor unit installs on garage, mailbox, fencepost... nearly anywhere. You can placed the PIR outdoor, it is waterproof. When PIR sensor triggered by a vehicle or person, it sends a wireless signal to the receiver unit, up to 1000 feet(300m) away. Install in minutes, no tools needed. 3 Audio/Visual Modes:br(1) Alarm and Blue LED flashingbr(2) Chime(ding-dong sound)br(3) Blue LED flashing only PIR Sensing Angle:45 PIR Sensing Distance:12ft-15ft PIR Waterproof Level: IP-44 Expandable: Multiple receivers can work with multiple sensors A. Transmitter PIR Sensor Viewing Area: 45C 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) Product Specification Type:Alarm Product Type ConsumerElectronics Package Included 1 x PIR Transmitter (Sensor) 1 x Receiver Instruction Manual Screws Before you place an order, please provide me with English information to facilitate our delivery and logistics