""Overview: This item is a door and window alarm sensor. Door alarms can work with the 433 MHz RF gateway host to detect the door open state. and immediately send an alarm notification message to the APP. features: * Simply attach a piece to the door, window or cabinet door and attach the other piece to the door or window frame. * Ideal intrusion warning for houses, apartments, dormitories, offices, hotel rooms, garages, counter, Internet bar, etc. * Excellent design, tiny and fashionable. Install easily with tape. * Low consumption design, more energy saving. * 100m wireless transmission distance. Characteristics: Support battery: 1 * 12V 23A (included) Wireless frequency: 433.92 MHz Protocol: EV1527 Transmission distance: 100m (open) Quiescent current: ≤3A Emission current: ≤15mA Trigger alarm distance: ≤20mm Operating environment: -10 -50 (14 -122) Size: Main body (D * W * H): 67 * 26 * 15mm Assistant body (D * W * H): 53 * 12 * 14mm Item weight: 32g / 1.1oz Package size: approx. 7 * 3 * 2cm / 2.8 * 1.2 * 0.8in Package weight: approx. 37g / 1.3oz Packing list: 1 * wireless door / window sensor 1 * Set of mounting stickers ""
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