Rechargeable kit: Olight S1 Baton 500 Lumen Compact EDC LED Flashlight with 2 pack 16340 RCR123A Rechargeable Batteries and LegionArms USB Charger The smallest side-switch LED in Olight history. This light is only 2.4 inches in length and 1.06 ounces, allowing it to be taken anywhere with extreme ease. Blindingly bright: this tiny light boasts 500 lumens and can light up an entire football field plus some with its ultra-far 120 yard beam throw. Choose among three brightness levels to illuminate your surroundings from .5 lumens on Moonlight Mode to 500 Lumens on high. Also features 8 lumens on Low and 80 lumens on Medium, in addition to Strobe mode. Flat tail cap contains a strong magnet providing the ability to place it upside down(hands-free) This is a rechargealbe kit with 2x Olight RCR123A rechargeable batteries and a LegionArms USB charger. Always ready to go without worrying about the availability of the battery.