1. Ni-MH battery 2. LED illuminantion miner lamp 3. Capatity 3.5Ah 4. Long light time: 12hours 5. Mintenance-free Model: KJ3.5LMRated Voltage: 3.75VRated Capacity: 3.5AhLighting time:>12hoursIllumination:>3500LUXRated current: 240mA (Main LED)Battery life:≥500cycle KJ3.5LM Miner's Cap Lamp, cap lamp, LED mining lamp, Explosion-proof lamp, KJ6LM miner lamp