Intelligent anti-theft alarm --- with intelligent alarm function. Once the alarm mode is activated, it will emit a loud alarm sound if vibration or movement is detected. Its decibels 115 dB. Wireless remote control --- Equipped with a wireless remote control, the remote control distance is 0-50 meters. Easy to use. In dark environments, you can also quickly find your vehicle equipment via the remote control. Personality settings --- Sensitivity level/sound size/ring sound effect. They can all be adjusted as you like. USB charging --- Built-in 400 mAh battery. Can be charged via USB charging cable. There is a remaining battery charge display, so you can know the remaining charge at any time. IPX5 Waterproof --- Adopts IPX5 waterproof design. Can be used normally in rainy days. Suitable for bicycles, electric vehicles, motorcycles, outdoor camping equipment, etc. Help to do a good job of security protection. packing list Manual * 1 Anti-theft alarm * 1 Silicone pad * 1 Remote control * 1 Mounting screw * 1 Remote control bracket * 1 Alarm bracket anti-theft device * 1 Fixed cable tie * 2 Charging cable * 1Products from He wei's store