Very inexpensive basis model with outstanding equipment characteristic features:

3 digit display,
Overcurrentprotection,
battery powered,
resistance measurement 200 ohms to 2 MegaOhm,
direct current 200 µ A to 10 amperes,
DC voltage 200mV to 1000 V,
AC 200 V and 750 V,
transistor test,
diode tester,
with this device is you can check the battery voltage as well as a functional test of your zapper at any time! Of course you can always use the multimeter also in all other situations! It is not bound to the Zapper!