- Color: Red- Material: PCB- 3-digital LED display- Voltage Tester for 2-6 cells R/C Li-po or Li-ion battery- Input voltage: 0~4.5V per cell- Displays indivadual or total voltage                                                                                                                                Dimensions: 1.97 in x 0.79 in x 0.39 in<br />Weight: 0.25 oz