I. Applications: suitable for railway Train Inspection Works Road patrol vehicle maintenance, metallurgy, power plant, net electricity industry inspections, equipment maintenance and so on. Second, the core values ??of IW5500 products: ● work light, light two light design, push buttons can be freely converted. ● Long working hours, continuous working time glare and light were working more than 10 hours, and 20 hours. ● beam angle adjustable, according to the work required, the beam angle of the lamp can be adjusted within the range of 120 °; adjustable spot, adjust the spot light by rotating ring together, floodlight, meet different lighting needs. Third, safe, reliable, durable: ● Housing protection rating to IP66, ensuring reliable lighting in a variety of harsh conditions. ● shell imported bullet-proof plastic material, high strength, good impact resistance. ● maintenance-free solid-state light source LED, life expectancy of 100,000 hours. Fourth, carry and use handy: ● light fixtures weight, hand, hanging, snaps and other ways to carry, but also has a magnetic adsorption, easy to use. Meticulous professional design, the use of more intimate ● humane battery indicator and low voltage warning function design, you can always detect battery power; when the power is low, the light will automatically prompt for charging. ● handle large space and a large button design, still easy to wear thick gloves in the winter to carry and operate lamps. ● cool white, warm white color temperature of two different light sources, the user can choose according to actual needs. V. Technical parameters: Rated voltage: DC3.7V Rated capacity: 4Ah light (LED): The average life 100000h Continuous discharge time: ≥20h (work light) / ≥10h (light) Current: 200mA (light) / 350mA (work light) Battery charging time: 6h battery life: 100000h