Different styles and colors: you will receive 3 pieces square in different colors, including 1 piece gravity sensor flip timer of 1, 3, 5, 10 minutes (white), and 2 piece gravity sensor flip timer of 15, 20, 30, 60 minutes (yellow & blue), sufficient quantity to use or replace in ; 2 AAA batteries (not included) are needed. Easy to use: the gravity sensor flip timer is simple to use and responsive; Select the timing time, just turn the square timer square, place the desired time upward to start the timer; When you hear a sound and a a non-glaring red light starts to flash, the timer begins. Portable size: the compact size is easy to carry and can help you establish a good time management, each adjustable workout timer measures 6.6 x 6.6 x 6.6 cm/ 2.6 x 2.6 x 2.6 inches, due to light weight, it is easy to carry and store, moreover, please check the size carefully before purchase. Adjustable settings: square timer can support 4 different settings, namely 1, 3, 5, 10 minutes and 15, 20, 30, 60 minutes, the desired time has 2 levels of sound prompts (high and low), as your preferences or needs, you can choose different volume according to different occasions; The timer has a display, you can check the remaining time at any time. Multiple usages: the gravity sensor flip timer is a practical time management tool, can not only be often seen , office, school, restaurant, cafe or other places, but also applicable for cooking, working, reading, learning, games, sports and so on to reduce interference and maintain focus, which can help people to know the specific time. colour: white + yellow + blue Material: ABS Package Contents: 3 x Square 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.