This module emits a green L.E.D light when connected into a circuit with the correct polarity (+/-) .
Requires a minimum of 3Volts (2 batteries) to operate.
Fitted with a current limiting resistor for protection.
ideal for use with Solar Cells or the Electricity hand crank.
Features securely fixed components mounted onto a sealed ABS enclosure with non slip rubber feet.
Also available as a front of class magnetic demonstrator