uxcell DC2A 3 1/2 Digital Red LED Panel Mount Ammeter Test Tool Product Name : 3 1/2 LED Ammeter;Power Supply : DC 2A;Display : Red LED Display Accuracy : 0.2%;Display Range : 0+/-199.9mA / 0+/-1.999A;Display Word High : LED 0.5" / 0.56" Operation Temp : 0 - +/-50 Degree;Zero Seting : Auto;Polarity : Auto Total Size : 79.5 x 43 x 25.5mm(L*W*T);Size of Mounting Hole : 75 x 39.5mm;Casing Material : Plastic Color : As Picture Show;Weight : 49g;Package Content : 1 x 3 1/2 LED Ammeter