Features: Easily installed into any Proto Switch goggle system (EL, FS, Axis) Timer rests comfortably next to your right ear Voice alert will beep and announce the time as it counts down: 60, 50, 40, 30, 20, 10, 5, 4, 3, 2 and 1 minute points and the 50, 40, 30, 20, 10, 9, 8, 7, 6, 5, 4, 3, 2 and 1 second points After the one second announcement, the timer will tell you game over Can be used during big games, tournaments or practice