Type:LED Fishing Headlamp Material: PC+Aluminum Alloy Color:Black Input Voltage:110-250V Power:1W Source: 1 +6 LED Battery Capacity:2200mAh Working Current:150mA Luminance: start3000LM,11 hour1500LM Charging Time:8 hour Working Time:13 hour Power supply: Rechargeable lithium battery Dimension: approx.64*6.5*5.2mm (1cm=10mm=0.39inch) Measurement Details in the attached picture. Package included: 1x LED 1x AC Charger 1 x Head Tape Features: 100% Brand new. Built-in Lithium Battery,convenient to use. Power supply: Rechargeable lithium battery, the capacity is 2200mAh 1+6 Leds combined with main 1W high power LED and auxiliary s, energy saving. Main continuous illumination 13 hours while auxiliary s can achieve more than 40 hours Small, weight, simple construction, easy to carry and operate. Portable to carry outdoor and easy to be rechargeable by AC adaptor. Water-proof and explosion-proof design: safety and higher performance Li-ion battery is free-maintenance.and the material of li-ion is environmental. For Outdoor Camping, Adventure, Traveling, Rock Climbing, Fishing. With its long hours of continuous illumination good for people working at night or in the dark. Notice: 1.The real color of the item may be sly different from the pictures shown on website caused by many factors such as brightness of your monitor and brightness. 2.Please allow s deviation for the measurement data. 3.Please allow 1-3cm error.