... 1-15 hours, 8h+4h+2 h+1 h=15h (h), set the end of the second work period.Press the reset button for 1 ... the CPU power for a variety of voltage-mode, 12V - 60V automatic identification, overshoot, over-discharge, reverse polarity protectionFour: One ... discharge, overload, short circuit and unique electronic protection against reverse polarity, with TVS lighting protection, no jumpers designed to ...