Bulb type: 1*LED lamp bead Lumens: 450 lumens (sold as 1000 lumens) Power: 5W Lifespan: 50000h Battery: 1 18650 lithium battery<br><br>Battery life: Depends on battery capacity Irradiation distance: 100-200 meters Bulb type: 1*CREE XTE lamp bead Lumens: 450 lumens (sold as 1000 lumens) Charge and discharge protection: built-in overcharge and over-discharge IC to extend battery life Charging interface type: USB TYPE-C charging USB line power: 500mah Charging indicator: red when charging, green when fully charged Dimming mode: press once for strong light, press the gesture sensor twice continuously (hand within 10CM of the headlight) Charging voltage: 5V/1A Barrel color: black Luminous color: white light Surface treatment: ordinary anodizing Charging time: 4-5h Battery life: 2-8 hours (depending on battery capacity) Power supply method: 1 18650 lithium battery (not included) Waterproof grade: IPX5 (proof against rain and splashing water) Colour: black Material: Aluminum alloy<br><br>Package Contents: 1*Headlight 1*USB cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.