The Hellfighter 4 with Amber filter from SureFire is a high-intensity discharge (hid) arc lamp that delivers a perfectly focused 3000 lumen beam. This blinding tunnel of light is capable of reaching out hundreds of yards into the night, cutting a swath of visibility into what would otherwise be an impenetrable Cloak of darkness. Features:- dual-output and strobe capabilities--between high-output 3,000 lumens, low-output 1,000 lumens, or strobe mode at approximately 9 flashes per second at 9Hz - dual swing-open filter/cover system allows for quick configuration between unfiltered white light, filtered Infrared, or a protective cover--to save the filter and window from dust, mud, loose debris, or accidental escape of light - carry handle integrated into rail mount reduces profile, and provides handheld spotlight/searchlight capability - 5mm multi-coated Pyrex window protects reflector and hid lamp - precision reflector provides excellent beam reach and peripheral light - aerospace-grade aluminum body, mil-spec type III hard Anodizing, weatherproof seals - power options: integral rechargeable battery, single/dual ba-5590 batteries (not included), or 12V DC vehicle system - switching: click-on/off switch provides momentary and constant-on activation when using the Hf4 as a handheld searchlight--also serves as a backup switch should the switch cable assembly fail specifications:- lamp type: high-intensity discharge (hid) arc lamp - output: 3000 lumens (max) and 1000 lumens (Min)- 9 flashes per sec at 9.0 Hz (strobe) - construction: mil-spec type III hard-anodized aerospace aluminum - power supply: integral rechargeable battery: 30 Min 12V DC vehicle power outlet: continuous ba-5590 military batteries: (1) 1.5 HR or (2) 3.0+ HR (not included) - dimensions light: 11" x 6" x 7.4" and bezel: 4.1"- weight: 6.5 lb"".