Streamlight Stinger DS LED Police Flashlight 75813. Easily access any of the three variable lighting modes and strobe via the tail cap or the head-mounted switch. The Stinger LED Police flashlight is a mixture of low cost operation and durability. The 3 watt super high flux LED last for up to 6.75 hours per charge and the rechargeable battery charges in 10 hours! With these great features its no wonder that the Streamlight Stinger DS LED Police has become a go to tool for law enforcement agencies.