Full "Combat Rubber" grip for unsurpassed comfort and recoil control Clean, straightforward design Easily contours to any hand, large or small Dual activation buttons provide fast, easy laser activation Fully adjustable for windage and elevation Master on/off switch for complete system over-ride LG-309 fits Browning Hi-Power Standard, Mark III and Practical models, FN Herstal Hi-Power model HP-SA and most Hi-Power clones SPECIFICATIONS: Beam Intensity: 5mw peak, 633nm, class IIIa laser. Maximum output that federal law and technology allow. Also available in infrared for law enforce- ment and military only. Dot Size: Approximately 0.5" diameter at 50' Power Source: LASERGRIPS - Two #2032 lithium batteries (included; over four hours of on-time use and a five year shelf life. Activation: Integrated momentary pressure switch (all models) and master on/off switch. Warranty: Three-year full warranty.