Product Specifications:Brightness: 260 LumenWaterproof: IPX5Size: 3*2.5*10 cmWeight: 124gMaterial: Aluminum alloyBattery: 2000mAh rechargeable LED Bulb: LED*1Lighting Modes: 4 lighting modesSmart Light Sensor Mode (Blue Indicator ON): Auto Turn On/Off based on light conditionManual Modes: High-Low-StrobeBattery Indicator: 4-level battery indicatorPackage include: front cycle light*1, handlebar mount*1, type-C cable*1, instruction*1Features:1.Smart light sensor detects ambient light, the cycle front light will automatically turning on in low light and off during the day. Enjoy a brighter, safer ride.2.The light for cycle is equipped with a 260-lumen LED and 4 modes (Auto, High, Low, Strobe) for safety and adaptability in different conditions. Be safe during night rides.3.The cycle bicycle light can lasts up to 6 hours with a built-in battery. Features Type-C quick charging and a battery indicator for easy monitoring.4. Tool-free attachment and detachment of the bicycle light, compact and lightweight for easy carrying.