Rechargeable headlamp with adjustable elastic headband Dual LED & COB bulb LED: 86 Lumens | COB: 61 Lumens Light unit is removable and has magnet on end for hands-free work option Powered by one built-in 18650 rechargeable battery Charging cable and instruction manual included Size: 3-1/4" x 1-5/8" x 7/8"