1.5 inch 4 digit led clock circuit module

1. Dimension: 160×53mm

2. Operation voltage: DC 12~24V

3.  Time precision: Daily deviation≤2 Secs

4.  Operation temp: -10 ~ 70 degree in celsius,

5.  Operation humidity: 0 ~ 95%

6.  Low power consumption;

7.  To meet the environmental protection request: the main components of device are certified by RoHS approval;

8.   Digits: 38mm in height, red 4-digit LED 7-segment style;

9.   Display format: HH:MM (12h/24h is optional)

10.  With 3 buttons for time setting and reset; 

11.  With cell button battery

12.  Besides time display, it can be used for temperature display, or humidity display if with a sensor