Material Stainless steel, the timer is made of metal, the metal shell and tray shape design make the timer very beautiful, waterproof and , and can be used for a long time. The timer can be attached to any metal such as refrigerators, microwaves, and other household appliances. One-click operation: perfect for parents, teachers, office workers and students. The mechanical timer has a built-in 70 decibel alarm clock, does not require batteries, is energy-saving and environmentally friendly, and is easy to use for the elderly. Due to the low background noise, it's easily heard within a radius of approximately 10 meters, meaning you 't miss its warning even if you're in another room. SCENE: Focus on your tasks and activities with this cute timer. This timepiece gives you the most accurate timekeeping compared to other manual timepieces. Perfect for cooking, baking, reading, homework, jogging, housework, special needs and more. Color: silver Material: stainless steel, metal Package Contents: 1 x 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 +/- 1-3cm.