Usage Tips:Enhanced Security: Ensures your home's safety with our advanced Wireless Alarm Sensors for doors and , operating on 433MHz frequency, compatible with various home security systems. increasing the safety of your home or business. Easy Installation: Quick and straightforward setup without needing professional help, includes all necessary components for hassle-free installation. Compact Design: sensor boasts a sleek, compact design, making it an unobtrusive addition to your home security setup. Working voltage: DC3V (CR2032) Static current: less than equal 8uA Emission current: less than equal 10mA Launch distance: 120m (open distance) Trigger distance: 25 5mm Undervoltage detection point: 2.4 0.2V Encoding format: 1527 Transmission frequency: 433MHz Working temperature: -10-+50 Due to different batches, there may be differences in product printed text, which will not affect use. Colour:White Material:ABS Package Contents: 10 sets * Wireless Door Window Sensors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.