Relative humidity of air

＜80%RH

power supply

AC 220V, 50HZ, DC 4.5V (3 cells of No. 2 battery)

Time accuracy

Monthly error<15 seconds

Timing point

60One, the gap should not be less than 1 minute

Music continuous time reporting

20Seconds ± 5 seconds

Overall dimensions

220×150×60MM

weight

About 1kg