Kohree 1W 10000 Lx 2800mAh LED Mining Headlight Miner Cap Lamp with IP65 Water Proof Level All in one, low cost, high safety; with professional li-ion battery charger; Maintenance-free use of lithium ion batteries for rechargeable, over discharging and short-circuit protection; The main light source is using an ultra bright 1-watt high-power LED, the auxiliary lights are using six of low power LED;