Loud Sound Alarm: Comes with on / off switch. It works with 1 AAA battery. Loud and clear sound, but not in tune. The alarm sound can be heard from another room. , Digit LCD Display - With a larger, clearer LCD, this kitchen timer can read bold time and numbers throughout the room. Count up and down: As well as a countdown timer and a minute timer, this can also act as a stopwatch counting from scratch. Widely Applied: Perfect timer for homework, exercise, gym training, cooking (egg timer), sports, games and class timer activities. Power Suplly:1 AAA battery(Not included batteries) Colour:White & Blue Material:ABS Size:6.8x7.5x2.5cm Package Contents: 3 * White timer 3 * blue timer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.