3-in-1 bicycle lamp with horn and phone holder. Thanks to high-performance diodes, it significantly increases road safety and improves visibility. Specifications: 2 strong LED T6 diodes (each 5W) very strong light: 400lm sound signal volume: 130dB power supply: 2000mAh battery (microUSB cable for charging included) adjustable phone holder (4-6.3") universal mounting for lamp and remote control wired remote control attached to handlebars for convenient horn activation waterproof USB ports power bank function: USB-A output 5V 0.8A horn function (5 sounds to choose from) 3 lighting modes (continuous strong light, continuous weak light, and flashing light) lamp dimensions: 12x6x5.5cm