The Crossfire Rechargeable Flashlight is lightweight and compact and features a powerful white LED that never needs replaced and a lock out tailcap switch. It uses one 14500 3.7V 800mAh lithium ion rechargeable or one AA alkaline battery (both included). Charges in 2 to 3 hours from most AC power sources. Waterproof and submersible to 3 feet for 30 minutes. USB charging cord included. 102 to 300 lumens and an effective distance of 85 to 150 yards depending on the power source used.