1. Shell material: metal
2. 12/24 hour system, clear scale
3. Metal baking paint, smooth and beautiful not lose color
4. Mechanical ringing, ringing loud and clear, do not have to worry about children stay in bed
5. Mute movement, no noise scanning, does not affect the baby sleeping peacefully
6. Color block differentiation, help your child to memorize quickly
7. Stainless steel bracket, durable and not easy to rust
8. Power supply: AA battery x 1 (not included in the shipment)
9. Size: 115 x 160mm
10. Weight: 249g