... 12/24V PR-SL Series waterproof Solar Street Light Controller(IP68)PR-SL series controller is new type waterproof intelligent solar controller, ... display “0”, if the voltage is 24V, display “1”. - Waterproof Rating: IP68, Aluminum casing, Prevent corrosion; - 12V/24V auto ... recognize; - LED Digital display and waterproof button, easy to use; - Use advanced technology, one time ...