CRIM1109 Features: * Laserguard * Fits: Ruger Sr9C center fire compact pistols * Polymer housing with rubber over molded activation pad * Front activation pressure switch * Ultra compact 3.3mm diode * Precision wind age and elevation adjustments * Made in USA Specifications: * 3 Screw with tab lock attachment * Batteries: One 0.33N 3V lithium or two 357 silver oxide batteries with 4hrs illumination Dimensions: * Overall dimensions: 5" H x 3" W x 2" D Warranty: * Manufacturer provides 3 years warranty