Digital Voltmeter - 0 to 19.99V
0 to 19.99V D.C only.
Overload capability: ±100V.
Internal resistance: 1MΩ.
Display: 31/2 digit LCD with polarity and low battery indication.
Battery: Internal 9v battery PP3 or equivalent (not included).
Expected Battery life: 5000 hours.
Automatic switch off after 50 minutes of inactivity.
Accuracy: +1% of full scale indication typical.
Dimensions: 130 x 92 x 55mm