Features：

[Wireless Motion Sensor Alarm] Includes 1 receivers and 2 transmitters, with 3-7m/ 9.8-22.9ft effective detection range, 120° detection angle, can effectively detect movement in surrounding areas and trigger alert to the linked receiver.
[Large Wireless Transmission Distance] Signals with strong penetration force can be sent to the receiver more than 200m/ 656ft away to warn you, providing security for your property and loved ones.The wireless weather resistant motion sensor can be used to monitor&protect your outdoor/indoor property. It works through thick walls, trees and metal siding buildings.
[IP52 Waterproof] With large waterproof cover and deepened groove, no fear of rainy days, suitable for outdoor use, widely applied in front doors, window frames, driveways, walking paths, shops, garage, and more.
[38 Chimes Optional] There is always one chime you and your family love; with built-in high-quality speaker, low power consumption, 4 levels of adjustable volume, no worry of that you can't hear the ringing.
[Power Supply] The receiver can be easily plugged into a standard outlet inside your home, and the transmitters are powered by 3 * AAA batteries (not included), convenient for placing them at the entrance to your driveway.
[Easy and Fast Installation] This monitor system is fully-expandable, with plug-and-play sensors that can be set up within minutes. The sensors can be mounted to walls, fence posts, trees, or any other surface, for full coverage of your property.

Specifications：

Color: Black
Material: ABS
Detection Angle: 120°
Detection Range: 3-7m
Transmission Range: ＞200m (without obstacles)
Frequency: 433MHz
Ringing Tones: 38
Power Supply of Transmitter: 110-240V plug
Power Supply of Receiver: 3 * AAA batteries
Transmitter Size: 8.5 * 8 * 2cm/ 3.3 * 3.1 * 0.78inch
Receiver Size: 8 * 8 * 5.5cm/ 3.1 * 3.1 * 2.1inch

Package List：

2 * Transmitter
1 * Receiver