Bicycle lamp with speedometer, horn, and anti-theft alarm. The device enhances cyclist safety and also allows monitoring of ride parameters such as current speed, distance traveled, etc. Specifications: alarm function upon vibration detection light source: XPG + COB + 2835 x2 power supply: 1200mAh battery universal mounting of precise magnetic sensor, lamp, and remote control wired remote control mounted on handlebars for convenient operation waterproof USB port battery level indicator horn function: 120dB (5 sounds to choose from) backlit display 5 lighting modes (3 types of steady light and flashing light) lamp dimensions: 101.5x49.5x24.5mm Package includes zip ties for mounting, USB charging cable. Counter functions: ride time average, current and maximum speed clock number of calories burned total distance total ride time thermometer maintenance reminder low battery level reminder backlight Product packaged in foil packaging, ready for shipment.