Description TH-mars 8 Electric Fence Energizer Features:- Main features include:  Energizers up to 40km(TH-Mars 8) of clean wire  Powered by: AC mains power or, 12v deep cycle lead-acid/gel battery (not included) 40w solar panel (not included) in conjunction with a 12v battery as above 6 operating modes including a cost-efficient day/night full/half power save  2 different pulse intervals of 1.5 seconds and 2.5 seconds 2 different max output of full and half energy  LED display the energizer working states, power/on/shock  Waterproof and dustproof