UTG Sub-compact Red Laser, Solid/Strobe Mode, Integral Mount UTG Sub-compact Tactical Red Class 3R Laser with Only 1.14" Length; Laser Output 2.0~4.0mW True Strength(TS) Platform with Smart Spherical Structure(SSS) Most Precise and Zero-holding Windage/Elevation Adjustment Dual Operating Modes with Solid Dot and Enhanced Pulse Dot, Complete with Memory Feature of Last Used Mode High Quality Aircraft Grade Aluminum Construction with Hard Anodized Finish, Operates on 4X LR48 (AG5) Batteries