Luminance:50Lumens Lighting Modes:High Light/Low Light/Flashing/Breath/Automatic Brake Induction Material:Aluminum Alloy Waterproof Rating:IPX-5 Battery/Charging Time:2Hours Run Time:Max50Hours Accessories:Strap&USB Cable

Luminance: 850Lumens Lighting Modes: High Light/Mid Light/Low Light/Flashing Material: Aluminum Alloy Waterproof Rating: IPX-6 Battery/Charging Time: 5Hours Run Time: Max 8 Hours Battery:18650 Li-ion Battery 3.7V 3400 mAh

Luminance: 2200 Lumens Lighting Modes: High Light/Mid Light/Low Light/Intelligent Light Sensitive/Flashing Material: Aluminum Alloy Waterproof Rating: IPX4 Battery/Charging Time: 6 Hours Run Time: Max10 Hours Battery:18650 Li-ion Battery 5200 mAh