Feature: 1. LAMP BEADS: Using 25W high power circular laser cannon lamp beads, with solid lamp holder, up to 3000LM, the LED headlamp has high brightness. 2. GOOD COOLING: The head adopts fin heat dissipation groove, which greatly increases the air contact area and improves the heat dissipation efficiency. 3. EXCELLENT CHIP: The circuit board uses high efficiency chips, stable in overall performance, Type C 2A fast charging, can be used as an emergency power bank. 4. ABS BOX: The battery box is made of fire resistant ABS, with high temperature resistance and good flame retardancy, to ensure safe operation. 5. FOR OUTDOOR USE: This LED headlight has IPX 67 waterproof, can be used for cycling, emergency assist, outdoor adventure, fishing and searching etc. Specification: Item Type: LED Headlight Indented Head Diameter: Approx. 53mm / 2.1in Indented Head Length: Approx. 72mm / 2.8in Extended Head Diameter: Approx. 53mm / 2.1in Extended Head Length: Approx. 95mm / 3.7in Power Supply Battery: 3 x 18650 lithium battery (not included) Light Source: White Light Gear Mode: High light, low light, flash Function: Telescopic to zoom Brightness: 3000LM Range: Approx. 1500 meter / 4921.3ft Lamp Bead Type: Flat Lamp Bead Battery Life: High light 3H, low light 8H, strobe 8-10H Waterproof: IPX 67 Charging: TYPE C 2A fast charge; 1A output power bank Material: Aluminum Alloy, ABS Weight: Approx. 413g / 14.6oz . Package List: 1 x Headlight 1 x USB Cable