CRIM1017 Features: * Lasergrip * 4 Hours illumination * Product complies with 21 CFR 1040.10 * Front activation located integrated momentary pressure pad * Dot size: 0.5" at 50 feet * Made in USA Specifications: * Batteries: One 0.33N 3V lithium or two 357 silver oxide * Beam intensity - 5mw Peak, 633 nm, class 3R laser Dimensions: * Overall dimensions: 5" H x 3" W x 2" D Warranty: * Manufacturer provides 3 years warranty