The two-way motorcycle anti-theft alarm system is a nice solution to motorcycle safety problems, it is designed for protecting your motorcycle from theft and help you find it if it is lost. The remote control distance is up to 300 meters, which makes it more convenient to use. Equipped with a 125dB horn, it easily attracts the attention of surrounding pedestrians and has higher anti-theft performance. Features: Remote Control: The two-way motorcycle alarm supports remote engine starts, stop, lock and unlock, support keyless driving, easy to use. Anti-Theft: Equipped with 125dB horn, easily attract the attention of surrounding pedestrians. Vibrations sensor supports 4 levels of sensitivity adjustment, higher anti-theft performance. Motorcycle-Finding: The control distance is up to 300 meters in an open and interference-free place, which can help you find your motorcycle quickly. High Sensitivity: Built-in a high-quality chip, the remote controllers are anti-interference and can be controlled over a long distance, making it more sensitive and convenient. Reliable Quality: The host adopts high-quality plastics housing, which has nice durability and waterproof. Copper metal wire has nice conductivity, safety and reliable. Easy to Use: Easy to install and use, practicality, suitable for 12 V voltage motorcycles. Adopt anti-crack wireless code, higher safety. Specifications: Material: Plastics Rated Working Voltage: 12 V Effective Distance of Control: No Interference Open Area <300 meters Alarm Sound Level: ≥125dB Operating Temperature: -15~80 Host Controller: Size: 78 * 75 * 26mm/ 3.1 * 3.0 * 1.0in Package Size: 267 * 200 * 45mm/ 10.5 * 7.9 * 1.8in Package Weight: 400g/ 14.1oz Packing List: 1 * Host 2 * Remote Controller 1 * Horn 1 * Wire 1 * Double-Sided Adhesive Tape 1 * User's Manual