Application areas: ● suitable for railway, electricity, oil, metallurgy, military, public security, petrochemical and other flammable and explosive places. Structural features: ● Explosion-proof the highest level in a variety of flammable and explosive safety. ● use lithium batteries, large capacity, long life, safe and stable performance, low self-discharge, charge and discharge at any time. ● light source adopts imported high brightness LED, energy efficient, effective illumination distance up to 250 meters above the light, work light can be freely converted; light life of up to 100,000 hours. ● Housing made of high hardness alloy, can withstand high impact and shock, with anti-fall of up to 1 m drop height does not affect the function; sealing performance, can work under water. ● Appearance depth slip handle, light and beautiful, hand-held portable way except outside can choose the tail long rope lanyard hand carry or shoulder, simple and convenient. ● 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 8h (light) / 16h (light work) / 32h (strobe) light range 200m (maximum range) / 160m (effective range) Charging time 6h (normal use) / 8h (depleted battery) Battery life ≥ 1000 (cycles) Dimensions 40 × 210mm (diameter × length) Weight 0.3kg Enclosure rating IP68