INFINITER BRAND = SUPERIOR PERFORMANCE.- THE CHOICE OF PROFESSIONAL. Quarton has been in the forefront of laser development since 1989 and we have the most complete production line of laser products with Advance Functions. INFINITER 2000 Green Beam Pointer-Continuous Wave Laser Pointer 532nm/Class IIIA, Max Output 5mW, Ultra bright, highly visible green beam. Extended range of over 1000 yards or 1 mile at night. This laser module is made in the USA, yes that is the reason this is more as it is an American made Laser diode! Super Rugged black aluminum housing with satin smooth finger print proof finish. One full hour "constant on use" operation w/ 2 - AAA alkaline batteries included. (6" x 0.5" - 2.3 oz) Best quality - 1 Year Warranty. Stylish and modern with durable chrome metal trim and compact design, this tiny card is impact resistant, with an easy-to-open battery compartment. Dimensions (L x W x H): 3 1/2" x 1" x 1/4", Power: <5mW. FDA/CDRH compliant. LASER SAFETY - A CRITICAL ELEMENT OF INFINITER BRAND PRODUCTS! INFINITER does not sell lasers over 5mW for two important reasons-First they are very dangerous and can cause blindness; Secondly they are ILLEGAL. Reference:www.fda.gov/Radiation. All INFINITER products are FDA approved, so you can be assured they are safe and meet INFINITER"s strict Q.C. standards. INFINITER BRAND = SAFE, SUPERIOR PERFORMANCE!