mining safety / intrinsically safety cap lamp / miner lamp / headlamp, more than 4000 lux, more ... It has the characteristics of maintenance-free, high-energy, long lifetime, light-weight, no leakage, environmental protection and safe.2. ... LED is high efficiency of luminescence, save energy, long lifetime(it can be used for more than 30,000 ... use. No leakage, no empoison. corded miner safety cap lamp