This egg timer is made of stainless steel material, durable, safe and anti-rusty The mechanical core does not require a battery: refuse to consume electricity, Swiss precision mechanical gears are durable A timer keeps you from having to watch the clock when you cook something and can do your own things uninterupted As long as you wind the dial to 60 minutes clockwise then set your alarm by turning it counterclockwise it will work perfect every time The alarm is loud enough to hear from other rooms The cute egg shape is perfect for displaying on your desk to decorate your home Specification: Condition: 100% Brand New Color: Sliver Material: Plastic + stainless steel Size: (Dia) x (H) 6.1 X 7.7 cm / 2.40 x 3.03 inch (appr.) Packaged included:1 x Egg timer