DT05a Retro Wood Shell Chess Clock Mechanical International Chess Clock, DT05a % Speaker Ringer Buzzer Play time values for speakers:

Play time values for speakers: 4-5hours

Application: Integrated Circuit IC

High purity brazed steel mesh head

9 g with wristband

Temperature monitoring: Measure air temperature around baby at any time

DT05a Retro Wood Shell Chess Clock Mechanical International Chess Clock, DT05a % Speaker Ringer Buzzer Play time values for speakers:1. No batteries, clockwork drive, easy to use, similar to the operation of quartz clocks 2. Divided into two movements, left and right, each fully wound can continue to go not less than 36 hours, time accuracy of about 3 minutes a day error 3. Material: plastic shell, zinc alloy movement 4. Maintenance: chess clock should be prevented from contact with corrosive substances, avoid exposure to the sun, rain, drops and close to strong magnetic fields 5.