Polystinger Led Piggyback High: Up to 24,000 candela (peak beam intensity), 185 lumens/ runs 2 hours. Medium: Up to 12,000 candela (peak beam intensity), 95 lumens/ runs 3.75 hours. Low: Up to 6,000 candela (peak beam intensity), 45 lumens/runs 7.25 hours. Strobe runs 5.5 hours. Deep-dish parabolic reflector produces a long-range targeting beam w/ optimum peripheral illumination. Optimized electronics provides regulated intensity. PiggyBack charger allows the user to simulataneously charge the. PolyStinger LED and a spare battery so you will always have a light when you need it.. Super-tough, non-conductive nylon polymer with non-slip rubberized comfort grip. NiCd battery is rechargeable up to 1000 times. O-ring sealed. Unbreakable polycarbonate lens with scratch- coating.. Multi-function On/Off push-button switch designed for extremely long life; tested at 1 million actuations. Access any of the three variable lighting modes and strobe via the head-mounted switch. 76132