Ref Smart Football/Lacrosse Game Day Timer Can be used for Football, Baseball, & Lacrosse Easily time the play clock and time outs with the Universal Timer This one timer works for football (25/60 & 25/40), Baseball and Lacrosse Tempered steel black powder coat belt clip is secure to stay in place during the most grueling conditions Easy to use in all weather conditions. Unlike a wrist watch there are no tiny buttons Simple click toggle switch The 25 and 40 second play clock has a quick vibration warning with 10 seconds remaining, then will vibrate in 1 second increments for the last 5 seconds. The 60 second timer has a vibration warning 15 seconds remaining, then again when the timer reaches 0. 2 AAA batteries included .001 Second Accuracy Can be programmed to be audible for 20/120 Lacrosse New! Baseball 20/90 function now included Timer Instructions For complete instructions click here. Changing The Timer FunctionRemove the lid Inside you will see the small DIP switches just above the power switch Switch 1 controls audible/silent. To the left is vibrate only, to the right is audible tone and vibrate. To move the switches use a pen or paperclip. Poke through the film and move the switch. Use the Following Configurations (Note: Switch 1 is closest to the bottom) • 25/60 (Silent) - all switches to the left.• 25/40 (Silent) - Switch 2 to the right, all others left• 20/120 (Audible) Switches 1 & 3 to the right, all others to the left• 20/90 (Silent) Switches 2&3 to the right, all others to the left