WARNING 1. Please use a 5V/2A charger, fast charging is not supported. 2. Do not look directly into the beam or shine into the eyes of others. BL2038-8000mah Bike Light With 2 Holders 3.When charging, please must use our charging cable to charge NOTE: When the internal temperature of the bicycle lights reaches 65 degrees, it will automatically switch to low light mode to avoid burning and damaging the internal parts of the lights due to the high temperature of the lights Product Details: Model: BL2038-8000mAh Material: Aluminum Plastic Shell Mode:4 Modes,Near light - High beam bright - Far and Near full light - Flashing Waterproof: IPX-5 Lumen: Max 10000Lumen Range: About 500-1500M Battery: About 8000 mAh Charging Time: About 9 hrs Working time: 2.5-7.5h Power bank: YES Model: BL2036-4000mAh Material: Aluminum Plastic Shell Mode:4 Modes,Near light - High beam bright - Far and Near full light - Flashing Waterproof: IPX-5 Lumen: Max 6000Lumen Range: About 300-600M Battery: About 4000 mAh Charging Time: About 4.5 hrs Working time: 2.5-4.5h Power bank: YES Model: BL2035-2000mAh Material: Aluminum Plastic Shell Mode:5 Modes, Click to open: near light - far light - far and near full light - flicker Long press to open: daytime running light Waterproof: IPX-5 Lumen: Max 2000Lumen Range: About 200M Battery: About 2000 mAh Charging Time: About 3 hrs Working time: 2-3.5h Power bank: NO Product Features: 1. High beam/low beam. Anti-glare 2. Aluminum alloy , good heat dissipation 3. Durable/Anti-Fall, Long Range 4. Built-in battery.Type-c fast Rechargeable ****Click to switch High/low beam****