Ensure that the original import!!!!!! Widely used in calculator, watches, shoes lamp, electronic thermometer, electronic toys, flashlight, medical instruments, electronic spoon, card type radio, IC card, yanchao pen and electronic luminous, sound and other products.

Widely used in use
- alarm
- camera
- meter (water meter, gas meter, electricity meter, etc.)
- electronic keys
- industrial motherboard
- memory body backup power supply (mobile phone, computer, household appliances equipment, fax machines, etc.)