inside the voltmeter, there are reverse polarity connect protection. the wire connection is simple, only need to connect two wires, the red line connect the anode, the black line connect the cathode. features: 1. 2. this voltmeter work without external power supply, can use the measuring voltage directly.syi
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Wholesale DC4.5-30V 0.56 Pulgadas Voltímetro Digital Dos Hilos Número De Tres Dígitos Pantalla LED Medidores De Voltaje Para Motocicletas Co
Specifications of Wholesale DC4.5-30V 0.56 Pulgadas Voltímetro Digital Dos Hilos Número De Tres Dígitos Pantalla LED Medidores De Voltaje Para Motocicletas Co | |
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Category | Economía e industria |
Instock | instock |