GE LCD-voltage display.

Specifications:
LED color: Green
Outside dimensions: 47.5 x 28.5 x 22.0mm (WxHxD(total)).
Installation dimensions: 45.0 x 26.0mm
Max. panel thickness: 4mm
Digit height: 10mm
Input voltage: 3.5-30V/DC
Consumption: 3.5 mA
Reading range: 0-1999
Range: 0-33V/DC

Red wire: + (15cm)
Black wire: - (15cm)
Yellow wire: Meusuring point (+) (15cm)