Enhanced Security: These wireless magnetic door and window sensors operate at 433MHz, ensuring reliable and secure communication with your home burglar alarm system. Coding Technology: Equipped with advanced coding, these sensors offer improved interference resistance, providing a more stable and effective security solution for your home. Easy Installation: Designed for hassle-free setup, these sensors can be easily installed on any door or window without the need for professional help. Compatibility: Perfectly compatible with various home security systems that support 433MHz, enhancing your existing setup with additional layers of protection. Package Contents: The kit includes 10 wireless magnetic sensors, allowing comprehensive coverage for multiple entry points in your home. Working voltage: DC3V Working current: 12MA Transmitting frequency: 433MHZ Quiet current: 3uA Transmitting distance: 100M Encoding type: learning code Magnetic control effective distance: suction-15mm; release-30mm Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:White Material:ABS Package Contents: 10 * Door Magnetic Detector Sets 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.