Product Name Bicycle Horn Light Colour: Black Weight: About 70g for headlights Lamp beads: XPG lamp beads Lumen: 350LM Battery capacity: 2400mAh/1200mAh Power supply mode: USB direct charge/3 AA batteries Volume decibel: 120 decibels Waterproof grade: daily life waterproof Lighting mode: Induction - strong light - weak light - fast flash - slow flash Speaker sound effects: 5 kinds Specifications: High Brightness SensitivityAutomatically adjust the brightness of the light according to the ambient light 4 Lighting ModesHigh light and low light flash [120 high decibels] Overcome ambient noise and effectively remind passersby [Five sound effects] The speaker has five different sound effects, long press the button to switch [Intelligent Sensing] Light automatically turns on at night and automatically turns off during the day Package Included: 1*Induction headlight 1*Fixed base 1*horn switch 1*USB charging cable