The Nitecore T4K is the smallest rechargeable keychain light which outputs an astonishing 4,000 lumens and can reach distances of up to 209 meters. The T4K utilizes 4 x CREE XP-L2 V6 LEDs with instant access to turbo, ultra-low, and the OLED display screen. Five brightness modes ranging from 4,000 to 1 lumen Built-in Type-C Rechargeable, 1.5 hours to full charge with Eco-Sensa Type-C USB charging Cable Nitecore T4K Type-C Rechargeable Keychain XP-L2 Flashlight - 4000 Lumen The Nitecore T4K is the smallest rechargeable keychain light which outputs an astonishing 4,000 lumens and can reach distances of up to 209 meters. The T4K utilizes 4 x CREE XP-L2 V6 LEDs with instant access to turbo, ultra-low, and the OLED display screen. Five brightness modes ranging from 4,000 to 1 lumen Built-in Type-C Rechargeable, 1.5 hours to full charge Max Output4000 Lumens Max Beam Distance209 m Max Beam Intensity10900 cd Max Runtime67 h 0 m / 2.79 d LED4 x CREE XP-L2 V6 LEDs Battery - Rechargeable Beam color - White light Length82.3 mm / 3.24 in Head Size29.2 mm / 1.15 in Weight77 g / 2.72 oz Feature - Rechargeable Activity - EDC ...