Digital AC Voltmeter 2V / 20V / 200V / 600V With LCD Display
Proximity Sensor 12 to 24V Output: 12VDC 100mA Detecting Distance:4mm (Metal) For DT2240D
Tachometer, 4 Digit LED, 5 to 100 000 RPM Appropriate sensor needs to be purchased with the Lutron DT2240D