270 Lumens, 5000 Candela, 141 Meter light distance on high with included Alkaline batteries; 550 Lumens, 10,250 Candela, 203 Meter light distance on high with the Streamlight USB-C rechargeable battery sold separately Lightweight and portable; ideal for every day carry; fits in pockets, purses, sling bags, and backpacks for personal security Adjustable light modes with TEN-TAP programming Multi-fueled; choose between AA batteries included or Streamlight's rechargeable battery, sold seperately IPX7 wateproof; 2 Meter impact resistence tested; knurled barrel for sure grip and anti-roll face cap C4 led technology, impervious to shock with a 50,000 hour lifetime Multi function, push button tactical tailswitch; One handed operation of momentary, variable intensity or strobe mode Anti roll facecap, removable pocket clip Length: 5.97 inch (15.16 centimeter) major diameter: 0.90 inch; (2.29 centimeter) barrel diameter: 0.65 inch (165 centimeter) Ipx7 rated design; waterproof to 1 meter for 30 minutes