Welcome to the store! Material: high-quality ABS material, durable. Mechanical timing products require no batteries. Practical: The egg timer is very suitable for cooking and can prevent cakes, grills and stews from burning. The perfect choice is to wake up from a nap, which can protect you from deep sleep. Time setting range: You can set the time as expected within 0-60 minutes. Can run without batteries, automatic. If you switch to the time setting for mechanical operation, the doorbell will ring automatically. Usage: Set the timer to 55 minutes and then turn it counter-clockwise to the desired time, e.g. 20 minutes. The timer will sound after 20 minutes. Do not use excessive force or repeated rotation when tightening so as not to damage the built-in movement. Time management: very suitable for kitchen timers, sports timers, egg timers, homework timers, time blocks, debate or competition timers. size: 6.5x8.7cm Material:ABS color:Brown Package contents: 1 x Timer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution! _tfrf