1.Durable and reliable 2.Durability waterproof/ dustproof/ shockproof 3.Measure Range:-30~+30 4.various Model of Auto Ammeter 1.Features:Auto 30Amps Ammeter Meter1)Brand New, exact as shown on pic 2)Easy to install 3)Super high precision3) Electronic type4)Including all the necessary parts: Power Wires5) Ammeter is reading from -30Amps to +30Amps6)Universal fit for most of cars2.OthersWe supply ...