1. It has simple robot design with knob and reset buttons. It can be both a count-up timer and count down timer, Maximum to 99 minutes and 50 Seconds. 2. Simply turn the knob to set the timer, rotate it clockwise to increase the value and rotate it counterclockwise to decrease the value. And rotate it slowly to increase or decrease the it by 10 seconds, and rotate it fast to increase or decrease by 1 minute. Push the knob to start/stop the timing. 3. There are 3 Pre-set Time: 5, 20 and 30 mins in memory. And you can also reset them as your need. 4. The timer has loud ring ensures you can hear this kitchen cooking timer's alarm in another room. It can also be set in the mute mode just flashes red light after finishing timing to remind you without noise. 5. Kitchen Timer includes AAA Battery, you 't need to buy an Extra battery. And the countdown timer will be automatically in standby mode when there is no operation for , it can save battery. Colour:White Material:ABS Package Contents: 1 * Timer 1 * Chinese and English instruction manual 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.