Olight S10R Baton S10 RCR123 Rechargeable Cree XM-L2 400 Lumen LED Flashlight Magnetic Tail Cap, USB Charging Dock with LegionArms CR123A Battery Max output of 400 lumens using CREE XM-L2 Cool White LED Includes patent-pending Micro-USB charging dock and a 650mAh RCR123A rechargeable battery Low-profile side switch featuring a battery power indicator, which glows red when battery runs low Glow-in-the-dark o-ring in bezel to help locate flashlight from accidentally dropping it This bundle includes Olight S10R pack and LegionArms CR123A lithium back-up non-rechargeable battery