Contains a powerful Neodymium magnet to operate the proximity switch.
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Contains two directional LEDs (light emitting diode) for two- way operation.
Powerful geared electric motor.
Provides power (9V battery) to the circuit and protects against short circuits. Can be remotely controlled via Bluetooth™.
Switches current on/off to the sound of clapping.
Lets current pass through when a magnet brick is close by.
Lets current pass through when light is obscured
Serves as a 4-way electric junction.