The INOVA X2 has the maximum quality, durability and reliability you need when it matters most. Powered by 2-AA alkaline batteries, its patented optical system, precision machined aluminum reflector with thermal management interface provides superior light projection. Updated performance and new dual-mode functionality provides long hours of either High or Low power light output. Featuring a uniform focused spot with flood beam pattern that has an effective range of 442-Feet. Product Dimensions: 5.3 x 0.9 x 1.1 inches