... and reverse controlling except "on" button of general circuit switch is of function of automatic lock. It not only predigests ... avoid circuits failure more reliably, the "off" button can switch of the general power supply.4. Installation and usage1) Dismantle ... COB61,COB61A, COB62, COB62A, COB63, COB63A, COB64 ,COB64A,COB65Production: Waterproof Remote Button Switch COB 62 COB 62A similar NP3 pushbutton ...