Features: 100% brand new and high quality20-hours precision timer, suitable for long hours working in learning, learning, cooking, etc. Set the countdown range from 1 minute to 20 hours, countdown alarm function. Three placement methods are more convenient. There is a bracket on the back, with a clip on the back, it can be detached, and the magnets can be attached. Switch button, power saving can be turned off. Environmentally friendly material. Specification: Material: ABS Plastic MaterialValve: Blue Size: Approx. 8.5x6cm/3.35x2.36inPackage Included: 1 x Countdown TimerNote: 1. Please allow 0-2cm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Other parts are not included. Thank you for your understanding.