Wuben A21 4200 Lumen Flashlight, High Output Flashlight. Super Bright Flashlight Wuben A21 utilizes CREE XHP70.2 LED, the max output of it is up to 4200 lumens, the max beam distance up to 227 meters (745ft). 7 Lighting Modes: 5 basic modes with memory function: Turbo/High/Med/Low/Eco. 2 hidden modes: Strobe and SOS. Continuous Output Selections: Press and hold W switch to select any brightness you want for your different demands.

21700 or 18650 Compatible

A21 can be powered by a 21700 rechargeable Li-ion battery (included) or 18650 Li-ion batteries (not included). Very easy and convenient power source.

Type-C Rechargeable

The flashlight has a low power warning function on the W button. When it's low power, you can recharge it directly and fastly by the included Type-C cable.

Smart Button Design

All functions operated by this W button, and it has a low power warning function and will indicate the charging status when charging.

IP68 Waterproof

A21 flashlight is IP68 waterproof, which makes it work for about an hour 2 meters underwater, a great choice for outdoor use or other extreme conditions.