The P17R Core is an extremely reliable, bright and rechargeable flashlight. It is ergonomically-friendly and can be easily operated with the Fast Action Switch. The patented Advanced Focus System provides a continuous transition from a broad flood beam to a sharply focused long-distance beam. The energy for this extremely durable flashlight is provided by a rechargeable Safety Ytrion Cell, one of the safest and most durable rechargeable battery cells in the world. Light functions: power, mid power, low power, boost, blink, position, strobe (flashes of light), S.O.S. (distress signal in Morse code). Special functions: Front Switch so you can use one hand, Advanced Focus System (AFS) for precise flood and spot lighting, Smart Light Technology for custom light functions, Constant Light for constant luminous flux over a long period of time, Convenient Charging of the battery with magneticic Charge System. Luminosity: MAX 1200 lm - MIN 15 lm. Lighting Range: MAX 560 m (1837 ft). battery Duration: MAX 200 h - MIN 2.75 h. battery: 1x LiFeP04 6.4V, 5700 mAh. Water Resistance: IP54. Length: 290 mm (11.42 in). Head Diameter: 53 mm (2.09 in). Weight including batteries: 715 g (25.22 oz). In the box: 1 set of rechargeable batteries, magneticic charging cable, clip, power adapter, wall mount.