Mechanical timer is a environment friendly product because of it can be worked normally without battery, electric and cord required unlike other electric timer.What this mechanical timer can offer you is its reusable, loud sound, multi-purpose and easy to operate, so that it can give you a great aid in checking the time when you are baking, cooking or studying.It is made of plastic material.The length of this product is 6.8cm and width is 6.5cm.This product is perfectly suitable for home, household, dorm, study, etc.Item Name: Kitchen TimerMaterial: PlasticFeatures: Loud Sound, Portable, AccuracyColor: White, YellowSize Details:Size: 6.8cm x 6.5cm/2.68" x 2.56" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. 1 x Kitchen Timer