Perman 4000 Lumens 5 Modes Zoomable CREE XML T6 LED Police Flashlight Lamp Light Torch Waterproof Black Material: High-quality metal aluminum. Brightness/Lumens: 4000LM. Length Size: 130mm. Body Diameter: 28mm. Head Diameter: 35mm. Type of LED: Cree T6. Focus: Zoomable. Battery: 18650 x 1 /AAA x 3 (not included) Switches: on and off (Press heavily to turn on/off the flashlight). 5 modes: high / middle / low / strobe / SOS (Light press to turn the mode to another) Non-thermal radiation, safe and stable, reliable. Anti-reflective aluminum alloy coating makes it durable for long-term use. Featured with waterproof performance. Perfect suitable for household, outdoor activities, hiking, night fishing, camping.