Nitecore Tube Key-chain Light T Series USB Rechargeable Flashlight Maximum Output 45 Lumens For Household Outdoor Adventure Emergency Lighting Maximum Working Time 48 Hours Stainless Steel Key Ring Connector Portable Blue SUPER BRIGHT KEYCHAIN LIGHT  Bright 45 Lumens Nitecore Tube Keychain Flashlight BUILT-IN RECHARGEABLE BATTERY  With built-in 500mAh Li-Ion battery & integrated micro-USB charge port, the TUBE can be conveniently charged with any USB port for up to 48 hours of illumination! EASY TO USE  Single button design allows for convenient access to power on/off, & adjust through 1-45 Lumens variable brightness levels with a single click for low & double click for high. COMPACT & LIGHTWEIGHT  weighing a mere 9.6 grams at 2.2 inches long, the TUBE is one of the smallest, yet brightest flashlights available, making it the perfect discreet accessory to any keychain or everyday carry pack. PACKAGE CONTENTS  Nitecore TUBE Rechargeable Keychain Flashlight (Blue) new in package & Stainless steel key ring (Note: USB cable not included)