Rechargeable Headlamp: The latest model! The middle lamp head can be zoomed in and out, powerful! Intelligent circuit control, telescopic zoom, 4 mode The lamp holder can be scaled and adapted to various occasions The headband can stretch according to the size of your head. Easy to put on or take off. The head can adjust the lighting angle by 100 degrees. The red indicator light on the battery holder plays a good warning role when walking or cycling at night! Uses the latest T6 LED for a maximum output of 10,000-16,000 lumens. Has a maximum beam intensity of 10,000 cd and a projection distance of up to 500-600 meters. 18650 Rechargeable Battery: Suitable for flashlight Capacity: 1200mAh (good quality 18650 battery, high capacity) Voltage: 3.7V Weight: about 50g Package Contents: 1 x LED Headlamp, 2 x 18650 Rechargeable Batteries, 1 x Charger.