Five-in-one smart alarm: bicycle alarm with remote control wireless has functions such as electric horn, theft vibration alarm, etc., which can your safety when driving, and provides excellent lighting to the safety of long-distance driving in rain and rain. Take off the remote control after driving to prevent theft and additional safety for your bike or vehicle.Wireless remote control speaker: bicycle alarm with remote control wireless is equipped with left-hand drive and right-hand drive, and when turning to R/L, a click alarm sounds. You can use the remote control according to your own requirements. Safety reminder for pedestrians to alert other cyclists, give each other more driving safety and make driving safer at night.Waterproof and durable: the waterproof IPX4 design of the bicycle alarm with remote control wireless machine can drive safely in the rain and prevent traffic accidents. Anti-theft bicycle alarm with steering function can be adjusted up and down at a large angle to form a controllable distance line of light that provides a clear signal at night or in bad weather to improve the driver's vision.USB charging: bicycle alarm system with electric bell has a built-in lithium battery, which is 70 hours after 7 hours of full charge. It supports USB charging and is compatible with most mountain bikes or road bikes. The alarm automatically turns on in slow alarm and breathing mode after 30 seconds of inactivity in a dark environment and turns on when motion is detected.