Product Description: Enhance your home security with our Wireless Motion Sensor Alarm system. This comprehensive set includes everything you need to protect your property and ensure the safety of your loved ones. Key Features: Wireless Motion Sensor Alarm: The system comes with 1 receiver and 2 transmitters, each with a 3-7m/9.8-22.9ft effective detection range and a 120-degree detection angle to cover a wide area. Large Wireless Transmission Distance: With a transmission range of over 200m/656ft, the signals have strong penetration power, ensuring you receive alerts even from a distance. IP52 Waterproof: The transmitters are designed with a large waterproof cover and deepened groove, making them suitable for outdoor use in various weather conditions. 38 Chimes Optional: Choose from 38 different chimes to find the one that suits you best. The built-in high-quality speaker ensures you’ll hear the alert with 4 adjustable volume levels. Power Supply: The receiver plugs into a standard outlet, while the transmitters operate on 3 * AAA batteries (not included), allowing for flexible placement.Specifications: Color: Black Material: ABS Detection Angle: 120 degrees Detection Range: 3-7m Transmission Range: 200m (without obstacles) Frequency: 433MHz Ringing Tones: 38 selectable 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 * 2.1inchPackage List: 2 * Transmitter 1 * ReceiverProtect your home with ease and peace of mind with our Wireless Motion Sensor Alarm system. It’s a reliable and user-friendly solution for your security needs.