Easy to set up. One Key. Spin it and hit it. Press it again to stop. too easy! If you turn it fast, it goes fast. It's much easier to turn a dial than press a button to set the time. All you have to do is turn the knob. It can count up and count down.Maximum time: 99 minutes 55 seconds. Large LED display. Compared to other similar low-end LCD display digital timers on the market, our digital timer LED display is larger and brighter. The large, well-contrasted screen makes it easy to read from any angle, in both bright and dark environments. Adjustable volume. You can choose Low (60-75dB), High (80-90dB), or Mute and Flash. ecological setting. There are 2 modes of display brightness: constant light mode and energy saving mode. In power-saving mode, the display will dim after 5 seconds to preserve battery life. Power: 3 AAA batteries (included). STRONG MAGNETS AND SILICONE ANTI-SLIP MATS -- There are 2 rubber magnets on the back of this timer, which can be attached to the refrigerator or other metal surfaces more securely. Just the right level of magnetism allows it to stick securely, but alsoremoves easily so you can move it around with ease. Size: 78*27.5mm