Supplied with 2 new CR123A primary batteries in the furnished Nightstick battery carrier, this anodized aluminum flashlight can be upgraded to be rechargeable with Nightstick proprietary battery and dedicated charger, not included with this listing. Modes are Momentary, Full (800 lumens), Medium (350 Lumens) Low 140 Lumens) and Strobe, all accessed from the tail switch. Condition is as new with no signs of use. My descriptions are accurate. Check my feedback and Buy with confidence.