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 or Receiving Frequency: 315 MHz Effective Distance of Control: No Interference Open Area 100 meters Alarm Sound Level: 125dB Operating Temperature: -1580 Package Size: 200 x 135 x 35mm or 7.9 x 5.3 x 1.4in Package Weight: 260g or 9.2oz Features: Anti-theft alarm system, support remote starts or 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 x Host 1 x Remote Controller 1 x Key 1 x Horn 1 x Wire 2 x Double-Sided Adhesive Tape 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.