Ironfoot Airsoft Shop in the UK has the ACM Clone of the £400 Surefire M910A... "Powered by 3x CR123a. Lithium batteries (not included), it produces 250 lumens. For stealthy movement, it has two white LED's for safely finding your way about. Pressure switches on either side of the main fore grip and a rotary switch on the back of the lamp housing activate the main beam. The LED's are illuminated by a thumb pad on the top rear of the foregrip." This is reasonably priced at £69.95.