1. Ohm’s law apparatus

Voltmeter: Digital DC  voltmeter
Display: 3½ digit, LED
Range: 20 V
Resolution: 0.1 V
Current meter: Digital DC
current meter
Display: 3½ digit, LED
Range: 200 mA
Resolution: 0.1 mA
Components: Set of known value resistors mountable externally
Power supply: Regulated
Power supply: 20 V (DC)
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Power consumption: <30 W
Cabinet: Acrylic body, aluminium bottom

2. Patch cords

Set of standard 2 mm patch  cords of different lengths with  spare cords