A Digital Multimeter is invaluable in your toolbox for troubleshooting all things wiring and electronics. 
This is a handy and affordable model with all the essential features 

Specifications

AC Volt             0-750V
DC Volt             200mV-1000V
DC Ampere       2mA-10A
Resistance        0Q-2000kQ
Interal battery    9v

 Contents
1x Digital Multimeter 
2x Test leads with tip
1x Manual

A Digital Multimeter is invaluable in your toolbox for troubleshooting all things wiring and electronics. 
This is a handy and affordable model with all the essential features 

Specifications 
AC Volt 0-750V
DC Volt 200mV-1000V
DC Amps 2mA-10A
Resistance 0Ω-2000kΩ
Operating battery 9v

Contents
1x Digital Multimeter 
2x Test leads with tip
1x Manual