Capacitor: 20VDC, 3 Digital Voltage Display, The surface is spray-paint. Inner circular tube size : 66*220mm
1. Extreme Low E. S.R. :less than 0.0015ohm;
2. Auto on/off four-digit display;
3. LED indicator lights;
4. Electronic Polarity Protection Circuit;
5. Over-voltage Protection Circuit;
6. Normal working temperature: minus -40 to 105 Celsius degree;
7. Mounting brackets & hardware included;