1. Function: the setting time can be automatically returned after 9: 9 minutes 59 seconds;
2. Positive timing function: positive timing time 9 9 minutes 59 seconds, loop positive timing;
3. There is a 30-second sound sound prompt, and the sound is loud, and there is no sound function in the positive timing;
4. There are magnet, bracket and spare hanging hole on the back; It can be adsorbed on the metal surface or placed on the table, or hung.
  
This model is especially suitable for limited-time service in banking, telecom, kitchen, laboratory and other industries.