D / Chuang Deli microcomputer bell automatic bell school school | factory bell instrument | 10-inch outside the bell

D / Chuang Deli microcomputer bell automatic bell school school | factory bell instrument | 10-inch outside the bell
 

Product description:

Product parameters:

  • Brand: Chdele / Chuande Li
  • Model: Beating device 10 inches


Germany on the Group of China is no regional group, the choice of manufacturers more secure!

Micro-computer bell automatic bell-type school bell factory with a bell instrument with 10-inch outside the bell 220V voltage / 15A This product is the price of the suit (bell + bell)

Products include: a manual, two certificates.

20 times to open the bell 20 times a total of 40 times off! Weight of 0.3 kg nude Weight! Non-home 0.2 kg

Bell control time range 0-99 seconds / can be automatic control can be manually controlled

20 groups (20 times 20 times off) spike the same group of 16 groups of 10 products, and built transformer