This FOT-2C Tactical Light is the newest device with advanced xenon Cree R2 240 lm LED for use on all AK rifles. With a special mount it is easy to install on the rifle' bore. This unit provides significant illumination efficiently (6000 lux at 1 m) for reliable target identification in low light settings. The Light creates 12 grad beam so the light spot is 10 m at 100 m. This high-powered illuminator provides illumination out to 250 meters. It uses four AA 1.5V batteries available at any Wal-Mart or Radio Shack, one battery set is for 60 hours of immediate usage. It is rated for extreme temperatures and installation and removal can be done in under 4 seconds using the hex-nut wrench attached. This is a great unit in every respect and it could be found on many LE AKs in Russia these days.