Amp Tip reads current and fits on your Power Probe - YouTube
POWER PROBE 5 Volt Adapter works on all Power Probe : Amazon.co.uk: Electronics & Photo
5V 20A 100W Power Supply,AC110/220V to DC5V Universal Regulated Switching Power Converter Transformer for LED Strip Light,Probe Signal Lamp: Amazon.co.uk: Business, Industry & Science
Power Probe PPT5VA 5 Volt Reference Adapter - YouTube