1. Material: stainless steel + ABS 2. Net weight: 103g 3. Dimensions: 7.9x7.9x3.2 cm 4. Magnetically attachable metal 5. This timer is a purely mechanical design. All mechanical timers have dings when shaking. This is because the bells inside are connected by springs. It is normal and not parts damaged. Please do not disassemble by yourself
