Application areas: ● suitable for police, fire, military, oil, metallurgy, railway, electricity, petrochemical and other variety of explosive and other underwater work site. Structural features: ● Explosion-proof the highest level in a variety of flammable and explosive safety. ● with solid maintenance-free LED light source, high luminous efficiency, good condenser, the average life of up to 100,000 hours; ● have work light, light, strobe three kinds of light design, push buttons can be freely converted. ● humane battery indicator and low voltage warning function design, you can always check the battery; when the power is low, the light will automatically prompt for charging. ● high-energy lithium battery without memory, large capacity, pollution-free, charge and discharge performance, low self-discharge. ● shell is made of imported high hardness alloy material with high impact strength and impact resistance ability; sealing, and can in the 100 meters underwater for a long time to work. ● beautiful appearance, small size, light weight, can be mobile, and other Jiankua way, easy to carry. ● cool white, warm white color temperature of two different light sources, the user can choose according to actual needs. Parameter Name Parameter Value Rated voltage DC7.4V Rated capacity 4200mAh rated power (LED) 2 × 3W Light source (LED) average life ≥ 100000h Continuous discharge time 8.5h (light) / 17h (light work) / 34h (Strobe) Charging time 6h (normal use) / 8h (depleted battery) Battery life ≥ 1000 (cycles) Dimensions 68 × 161mm (diameter × length) Weight 0.8kg Protection class IP68 (100 meters)