Nitecore MH20 1000 Lumens Compact USB Rechargeable Flashlight w/3400mAh Genuine Nitecore 18650 Battery, LumenTac Adapters Super bright 1000 Lumens the smallest lightest rechargeable 1x 18650 Flashlight Built-in USB charger with Nitecore 3400mAh battery and Lumen Tactical Adapters Convenient side mode switch controls five brightness levels plus SoS , Strobe & Location beacon functions Battery power and charging status indicator light Include Genuine Nitecore 3400mAh 18650 battery, Lumen Tactical Adapters and USB Cable