Output Voltage:          50 - 690 volts in five stages: 50 V, 100 V, 230 V, 400, 690 V

Power output:            10 W max.

Power On / Off:            Automatic on when probes are inserted into output terminals / auto off

Indicators:                     5 LEDs for output voltages plus power LED

Power supply:           6 x AA / LR06 alkaline batteries

Operating temperature: -10°C - +40°C

Humidity:                   70% Rh

Dimensions::            130 mm (W) x 68 mm (H) x 48 mm (D)

Weight:                    346 g