DROKxae; Red LED 0.36" Dgital Ammeter DC Amperes Meter 0-300A DC Current Measurem. Cutting size:37.5 x 21mm; Dimensions: 40.5 x 24 x 17.5mm Measure Range: DC 0-300A Power Supply: DC 6-24V Display: Four 0.36 " Red LED digital tube Accuracy: 0.5%(+/- 5 digit), when measure 0-10A, accuracy of about 0.1