Tiny But Mighty: Thumb-size but boasts a max output of 1,000 lumens. Multifunctional: Handheld as an EDC flashlight; used as a headlamp with the optional headband; magnetically attached to vehicles for maintenance as a work light. Upgraded Pocket Clip: The brilliant dual-directional clip features two round tips bigger than the slot on the light that making it difficult to be detached for enhanced reliability. Remarkable Duty Patch: Diversely attached to clothes, backpacks, or hats via the velcro duty patch with a 60-degree rotation for the desired angle and extreme convenience. Magnetic Charging: Equipped with USB magnetic charging cable for easy and fast charging experience. Output: 1000 lumensRuntime: 4.5 days Beam Distance: 100 meters Battery ORB-16C05-10C550mAh 3.7V IMR16340 Size 61.5*21mm