Features:
- Made of special clock mechanism
- Fashion & Cute & Exquisite
- Ajustiable within 1-60min
- Mechanical transmission
- No need battery
- Economical & practical
- Easy to use
- Widely used in home use， kitchen， school， medicine etc.

Specifications:
1. Ambient Temp: -10 -+55 celsius
2. Operating Direction: Clockwise 
3. Operating Torque: ≤0.45N.m
4. Time Range: 1-60 min
5. Operating Angle: 360 degree
6. Product Dimensions: 4 x 6 x 6cm 
7. Material: ABS
8. Weight: 93g

How to use:
Clockwise th timer to "0" scale， and anticlockwise it to the specific scale you need， then the timer will come out ringing bells.