Functions and parameters:
1. The Gregorian calendar is automatically compared with 2001-2099.
2. The week corresponds automatically, and the leap year, big month, and small month are automatically adjusted.
3. Perpetual calendar can only be used after being plugged in, (use a battery shows that it is troublesome and expensive to replace the battery in a few days). Perpetual calendar has the power-off memory function. The built-in lithium battery only protects the computer chip from power failure. The time of incoming calls does not need to be proofread again. It is very convenient and accurate to use.
4. Clock accuracy: less than or equal to plus or minus 3 seconds/month
5. Power supply: 110~220V/50Hz
6. The default length of the length of wire: Built-in electronic ballast power cord is 1.7 m. If you need to lengthen it, please communicate in advance. The length of the external power cord is 1.2 m (USB type)
about receipt:
for glass products, check the appearance before receiving the goods. If there is any problem, please refuse to sign for it and contact our customer service! We will contact the courier to bring you the good products.
About customization:
the company can customize products with LOGO printing according to customer requirements, and collect copy fee 200 yuan at a time.
About the foreign language version:
you can customize the foreign language version perpetual calendar according to customer requirements. For more information, see online customer service.

  Sales hotline: 15372998567 13867913948