This versatile and compact flashlight is an ideal companion for everyday use. Powered by a CR123 battery (3 V lithium), it offers four brightness levels (5/50/200/400 lumens). When using a 16340 type battery, the maximum output increases to 450 lumens. On/off and momentary light are controlled by a rear switch, while brightness levels and special modes (strobe and beacon) are activated via the side switch. The brightness memory function ensures that the EFC1 always starts at the most recently used level. A signal is given when the remaining battery capacity falls below 25%. A detachable stainless steel clip allows for convenient carrying. The sturdy aluminum housing is hard-anodized and waterproof to IPX8 standards. It comes with a nylon holster, wrist strap, battery, and replacement seal. Handle diameter: 25.4 mm; Headlamp diameter: 25.4 mm; Length: 86 mm; Weight: 105 g.