Size:48*29*16mm cut size:46*27mm Reverse Connect Protection. Range: DC4.5-30V ( Can Measure it Directly ) Display: 0.56 "LED digital tube Display color: red blue green Refresh rate: about 200mS / times Input: DC voltage Resolution: 1% +1 digit cable:20cm weight:17g Operating temperature: -10 ℃ to 65 ℃ Accurate to 0.01V below 10V, accurate to 0.1V above 10V red cable DC+, black cable DC -, tersediA 3warna merah hijau dan biru, order sesuai warna