Enhance the security of your home or business with this Wireless Door Magnetic Detecting Switch Set, designed to monitor the opening and closing of doors and windows effectively. Operating at a 433MHz transmitting frequency, this wireless magnetic sensor provides reliable communication with your alarm system main unit, ensuring prompt alerts when doors or windows are opened. Key Features: · Wireless Magnetic Detection: Utilizes high-quality magnetic sensor contacts with strong magnetism for sensitive and accurate detection of door and window status. · 433MHz Transmitting Frequency: Offers stable wireless communication with a transmission distance of over 100 meters in open areas, ensuring dependable connectivity with your alarm system. · Long Battery Life: Powered by a built-in 1.5V AAA battery (800mAh), providing approximately 8 months of continuous operation with low static and operating current consumption. · Easy Installation: Designed with an adhesive backing for quick and hassle-free mounting without the need for screws, making it an ideal replacement for old magnetic contacts. · Durable Construction: Made from ABS plastic, the sensor is built to withstand everyday use with long-lasting performance. · Wide Compatibility: Compatible with eV1527 wireless coding format, ensuring seamless integration with most alarm system main units. · Suitable for Various Applications: Perfect for securing doors and windows in homes, garages, warehouses, shops, and enterprises. Specifications: · Material: ABS Plastic · Operating Voltage: 1.5V · Battery Type: 1 x AAA LR03 AM4 1.5V 800mAh Dry Battery (built-in) · Battery Life: Approximately 8 months · Static Current: ≤10µA · Operating Current: ≤15mA · Transmitting Frequency: 433MHz · Transmitting Distance: ≥100m (open area) · Door Magnet Detecting Distance: 25–35mm (0.98–1.37 inches) · Wireless Coding Format: Compatible with eV1527 · Operating Temperature: -10℃ to 40℃ · Humidity: ≤90% RH · Installation Method: Adhesive mounting (no screws required) Package Includes: · 1 x Set of Wireless Door Magnetic Detecting Contact This wireless magnetic detecting switch set offers a simple, reliable, and efficient solution to monitor door and window status, providing enhanced security when paired with your alarm system main unit. Its wireless design, long battery life, and easy installation make it an excellent choice for safeguarding your property.