1. Productivity timer perfect for individual use or small groups. Use this 99-minute countdown timer to stay focused and help with organization and concentration. 2. The timer has 6 preset time intervals: 3/5/15/30/45/60 minutes. Simply rotate the timer's position to start the countdown. Unique cube design, novel and interesting, makes you love time management. 3. Dual time modes. The hexagon timer offers countdown and count-up modes. In addition to the 6 preset countdowns and custom countdown, you can start the count-up mode by placing the timer upside down and stop it by placing the screen upright. The timer's range is 00:01 to 99:59. Easy timer setup for maximum convenience. 4. Suitable for various scenarios. The digital timer is a perfect tool for office work, meetings, children's studies, reading, exercise, cooking, and more. It goes without saying that this timer can be used in thousands of scenarios. 5. 3.5 inches Top width: 2.6 inches Bottom width: 2.36 inches; 0.37 lb Requires 2 x AAA batteries Flashing backlit visual alert. Easy to use. Power supply: 2 x AAA batteries (batteries not included) Color: Black Material: Plastic Package contents: 1 * 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 +/- 1-3 cm.