(This Lamp is NOT MSHA Certified, if you are looking for the MSHA Approved mine light please see our Wisdom Wiselite2.) The best 2 mode lamp for work or recreation!? Unlike most lamps on the market, these lights were designed for underground mine use so they are SERIOUSLY RUGGED and will last for years!? Lamp is equipped with a battery indicator system so you can check state of charge at any time.? It is light weight (less than .5lb), Waterproof to 20+ meters and rechargeable using supplied USB cord or using the optional NWB-30 charger. These lamps have two modes of operations as follows:High / 12,000 lux / 265 lumen / 13 hours of operationLow / 1,800 lux / 50 lumen / 60 hours of operation ADDITIONAL INFORMATION Model WISDOM Lamp 3A Rated capacity 7000 mAh Rated voltage 3.7 V Continuous discharging time 13 H(HI) 60 H(LO) Main light working voltage 3.0 V Main light working current 80 mA(LO) 570mA(HI) Main light power 0.24W(LO) 1.71W(HI) Main light luminous flux 50LM(LO) 265LM(HI) Lamp lighting degree (Initial lighting degree in 1 m) 1800lx(LO) 12000lx(HI) Main light life span 50000 h Auxiliary light power 0.4 W Auxiliary light life span 40000 h Short circuit protection time < 320 ?s Life span of the battery (Recharges) 1200 cycles (In reasonable working condition) Charging time 5 h Dimensions 84 x 69 x 50 mm; 3.3 x 2.7 x 2.0 in Weight 169 g; 5.96oz UPC 8.40E+11
