Features: 3 1/2 LCD panel meter; single 9V DC operation; power consumption: 1mA DC; high input impedance: > 100Mohm; display: 3 1/2-digit LCD; input sensitivity: 200mV FS; power supply: 9V DC (7 - 12V DC); decimal point selection: with wire jumper; automatic polarity indication; figure height: 0.52"; sampling rate: 2 - 3 readings / sec.; guaranteed zero reading for 0V input; high input impedance: > 100Mohm; accuracy: ¦ 0.5%; power consumption: 1mA DC; size: 2.7" x 1.7".