Overview Vibration Sensing: High-sensitivity vibration detection triggers immediate 120dB alarm for theft prevention. Remote Control: Wireless remote operation with over 30 meters range for convenient arming/disarming. Battery Efficiency: Low power consumption with 3-month standby time using 9V battery (sold separately). Easy Installation: Magnetic back or adhesive mounting for versatile placement on doors, windows, or vehicles. Specifications Operating Voltage: Host uses 9V alkaline battery; remote uses 12V/23A battery (batteries not included). Alarm Sound Level: 120dB Detection Method: Vibration sensor Dimensions: 100�53�28mm (product), 105�60�42mm (packaging) Material: Plastic housing with electronic components Packing List Vibration alarm host*1 Remote control*1(Note: Batteries not included; optionally available at additional cost)