Crimson Trace

Specifications and Features:
Instinctive Front Activation
Rubber
No Gunsmithing Necessary
Factory Sighted at 50'
Adjustable Windage and Elevation
Battery Life: 4 Hours
Battery Type: 2032 Lithium x 2
Laser Output: 5mW peak, 633nm, Class 3R Red Laser
Laser Visibility: Approximately .5" Diameter at 50'

Fits:
S&W K and L Frames Square Butt Revolver only:
Models 10 thru 19, 48, 53, 56, 64 thru 68, 547, 581, 586, 617, 647, 648, and 686