Universal motorcycle anti-theft alarm system increases the safety of motorcycles, supports remote starts and stop, and is easy to use. Specifications: Material: Plastics Rated Working Voltage: 12 V Static Current: ≤4mA Transmitting/Receiving Frequency: 315 MHz Effective Distance of Control: No Interference Open Area ≥100 meters Alarm Sound Level: ≥125dB Operating Temperature: -15℃80℃ Package Size: 200 * 135 * 35mm/ 7.9 * 5.3 * 1.4in Package Weight: 260g/ 9.2oz Features: Anti-theft alarm system, support remote starts/stop, keyless driving, easy to operate. Loud horn alarm, with blinking direction lights, 4-level sensitivity adjustable. Control distance can reach more than 100 meters in an open and non-interference area, helping you quickly find your motorcycle. Easy to install and use, ultra-low power consumption, which prevents battery drain. Remote controller completely adopts complex coding technology and premium chips, which are not self-encoding and have higher safety. Highly functional, suitable for motorcycles with 12 V batteries. Packing List: 1 * Host 1 * Remote Controller 1 * Key 1 * Horn 1 * Wire 2 * Double-Sided Adhesive Tape 1 * Manual