Retro animated rolling time and date display with 35 LEDs. Change the hours, minutes, month or day by using the Select button, then confirm the values by using the Set button. The time is displayed in 12h-mode (24h-mode when setting clock). Fine-tune the clock with CV1.
Specifications:

1. power supply: 9-12Vdc adapter or car battery
2. current consumption: 20mA max.
3. backup battery: 9V block type 6LR61 / 6F22
4. dimensions: 46/89 x 67mm (1.8/3.5 x 2.6")

manual_wst123.pdf

module_diy_kit_guide.pdf

wst123_scheme.pdf