Adjustable 0 56 Green Led Sign Electronic Digital Clock Display | Desertcart Hong Kong
Adjustable 0.56" Green LED Sign Electronic Digital Clock Display 4 Digits Car Vehicles 12V/24V Battery Operated/Two Wires Highlighting LED Digital Tube Electronic Clock
4.6/5
产品编号: 16605555
安全交易
经常一起购买
描述
有问题吗？看看别人问了什么
if it has a battery then what are the red and black wires for?
