Product Overview: Callaway 250 Laser Rangefinder The is simple, easy to use, and offers pin-point accuracy at a valued price! Featuring P.A.T. (Pin Acquisition Technology) delivers precise distance measurements in a sleek, compact design. P.A.T. locks onto the flag stick up to 300 yards away, ensuring accuracy even when trees and other objects are in the background. Features: P.A.T. (Pin Acquisition Technology) delivers precise distance measurements in a sleek, compact design. P.A.T. locks onto the flag stick up to 300 yards away, ensuring accuracy even when trees and other objects are in the background.