-Use high quality Cree XP-E Led which max output can reach 200lumens. -The size is very mini -Waterproof degree IP*4

details:

Light source:     1pcs*Cree XP-E LEd

Luminous flux: 200LM

LED lifespan:     Above 50,000 hours

Case material:   6061-T6 Aluminum alloy

Surface treatment: Premium Type III hard-anodized anti-abrasive design

Switch:               Tail touch Switch

Battery:              2×18650 Li-ion batteries

Battery life:       500 times cycle

Runtime:            2.5 ~5.0hours

Charging time:  2-2.5 hours

Waterproof grade: IP×64

Irradiation distance:>300M

Package included: Light head, Battery pack, Charger, O-rings

Optional accessories: Helmet mount, Head strap, Extension cable