1. Planck’s constant kit

Power supply: Fixed frequency sine wave 0-10 V
Voltmeter: Digital DC 3½ digit wide-band (upto 200 KHz) peak reading meter
Range: 20 V
Resolution: 0.01 V
LED Mounting: External
Output: Via CRO and Voltmeter
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Power Consumption: <50 W
Cabinet: Acrylic body, aluminium bottom

2. Set of LEDs

Quantity: 5 different LEDs x 2 sets
LEDs of known wavelength: 4 LEDs in visible range and 1 Infrared LED

3. Connectors

2mm-2mm brass molded patch cords