Highest explosion-proof grade and it is applicable for various flammable and explosive places.
It adopts solid state maintenance-free LED light source,  the average service life  can reach 100 thousand hours.
High luminous efficacy, excellent performance of spot light and even light spot as it adopts new design of reflective system.QC570A is featured by super high luminance, while QC570B is featured by long working time.
Two illumination modes: strong light and working light. User can shift the mode by pressing switch.
Intellectualized design of electric power display and battery-low alarm function benefit a real time check on battery level. The light will automatically remind to charge in case of battery low.
High-energy and non-memory battery is featured by large capacity, no pollution, excellent charging and discharging performance and low self-discharge rate.
Strong strike and impact resistance as the shell is made of light alloy material.
It is beautiful, small and light. It can be carried by hand and shoulder.

Nominal voltage: 12/14.8V
Rated capacity: 4.4/2.2Ah
Rated power: 12W
Luminous flux: 800/300Lm
Everange life time: ≥100,000h
Contimuous disacharge time: ≥8/5h(strong light); ≥100h(stroboscopic light); ≥15/10h(work light)
Discharge time(after battery depleted): ≤8/5h
Battery service life: ≥1,000subcycle
External dimensions: Φ68.5*H147; Φ55*H149
Weight: 0.8/0.7kg

It is applicable to provide mobile lighting for electric power, petrochemical, oil field, troops, mines, public security, and other worksite, and ,may use for signal contacts and signal azimuth display.

The company has passed the "ISO9001: 2008 Quality Management System" certification, strictly according to the ISO 9001standrd, 3 years quality warranty(the bulb one year quality warranty). Free maintenance service is granted for the troubles resulting from normal use within the 3-year warranty period, without materials and the repairing fee.