The Ledlenser P17R Core is a large, robust rechargeable torch popular with security officers and anyone who needs a bright, reliable light. It gives up to 1200 lumens in Boost and 900 lumens on Power with a beam of up to 420 m (about 2 hours), down to 15 lumens on Low for about 200 hours. The Advanced Focus System moves smoothly from a broad flood to a long-distance spot, and the Fast Action Switch makes it easy to operate. Power comes from a 5700 mAh Safety Ytrion cell, a LiFePO4 battery Ledlenser describes as one of the safest and most durable rechargeable cells, charged with the Magnetic Charge System and wall mount. Smart Light Technology offers extra modes including blink, SOS and strobe. The aluminium torch is 290 mm long, weighs 715 g and is rated IP54.