Fenix PD32 Ultimate Edition-740 Lumens 740 lumen BURST modefor extended power from two CR123A batteries or one 18650 Li-ion battery Seven outputs including five brightness levels, SOS and strobe Side controls, tail cap momentary switch, custom diffuser tip IPX-8 Waterproof, 2 meters for 30 minutes Supported by limited lifetime guarantee from Fenix Lighting, US