Application areas: ● Applicable electric power, metallurgy, petroleum, petrochemical, fire protection, mining, and a variety of explosive movement and underwater lighting. Structural features: ● Explosion proof the highest level of safety in explosive areas. ● No memory battery energy capacity, long life, low self-discharge; using high-power, high-brightness white LED light source, lamp irradiation distance of up to 100 meters, visual distance of 5,000 meters. ● PWM pulse width modulation technology, 9 hours of continuous use, consistent illumination. ● sealing, and can work at 200 meters underwater; imported high hardness alloy casing can withstand high impact and shock. ● smart charger with low voltage protection and charging display device. ● Compact structure, beautiful light, simple operation, 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 DC3.7V Rated capacity 4000mAh rated power (LED) 3W Light source (LED) average life ≥ 100000h Continuous discharge time 9h (light) / 18h (light work) Special Note cancel work light Charging time 6h ( After normal use) / 8h (depleted battery) Battery life ≥ 1000 (cycles) Dimensions 40 × 216mm (diameter × length) Weight 0.3kg Protection class IP68 (200 meters)