- 5W COB LED Striplight along front of adjustable headband with 3W LED bulb on one side. - COB Lumen Output: 350lm. LED Bulb Output: 120lm. - Automatic sensor - turns on and off when you move your hand in front. - Operating Time: 2hr @ 100%, 6hr @ 30%. - Powered by rechargeable Li-Polymer 3.7V 1.2Ah battery. - Supplied with USB Type-C charging lead.