Set-Up Instructions: Lift the lid using a flat-head screwdriver for easy removal. Install 2 AAA batteries ensuring the positives match. Use the reference settings on the back to set the 4 internal switches for your specific sport. Standard Operation: The timer will vibrate briefly after flipping the switch on. Down position => shorter timer. Up position => longer timer. Middle position => powered off. Notes: A short chirp when powering on indicates a low battery. Internal LEDS will also alternate. It is best to remove the batteries for the off-season. For settings that include 5 second count down there are 6 vibrations. Starting with the first vibration, count yourself backward as: 5, 4, 3, 2, 1, 0. The timer expires when you reach 0. The timer is NOT waterproof. Make sure to keep buzzer away from ears to prevent hearing damage. AAA batteries are NOT included. Lacrosse 20/120 (1-ON) 20-second timer: Continuous and audible tone with vibration when the timer reaches 0:00. 120-second timer: Audible tone and vibration at 20 seconds remaining. Continuous audible tone and vibration when the timer reaches 0:00. Optional: For no sound use switch positions 1 and 4 ON. For no vibration use switch positions 1 and 3 ON. Football 25/40 (2-ON) 25-second timer: Warning vibration at 10 seconds remaining. Then 5 quick vibrations to count down the last 5 seconds. Continuous vibration at 0:00. 40-second timer: Warning vibration at 25 seconds and 10 seconds remaining. Then 5 quick vibrations to count down the last 5 seconds. Continuous vibration at 0:00. Optional: Audible tone (1,3,4 ON). Or 25/60 (2,3-ON). The 60-timer will give a warning vibration at 15 seconds remaining. Baseball 20/120 (3-ON) 20-second timer: Warning vibration at 10* seconds remaining. Steady vibration for 5 seconds at 0:00. 120-second timer: Warning vibration at 30 seconds remaining and with 15 seconds remaining. Continuous vibration at 0:00. Optional: 15/20 (3,4 ON) or 15/18 (2,3,4 ON) or 17/30 (1,2,3,4 ON). Warning vibration at 8 seconds remaining. Steady vibration for 5 seconds at 0:00. Softball 20/90 (4-ON) 20-second timer: Warning vibration at 10* seconds remaining and 5 seconds remaining. Continuous vibration at 0:00. 90-second timer: Warning vibration at 30 seconds remaining and 15 seconds remaining. Continuous vibration at 0:00. 2026 Baseball and Softball update *Newly manufactured timers warn at 8 seconds remaining instead of 10 seconds for hitter ready. If you need a timer for baseball or softball please message the store before ordering.