♦Automatic heating function Optionalautomatic heating function to preventrain and snow adhesion interference.snow if temperature is below 0℃. ♦Outlet waterproof design, structure design reasonable sealing good long transmission distance. ♦Gilding processinduction plate Gold plating process inductioncoil surface with strongcorrosion resistance. ♦SupportRS485/analogswitching /NPN4G/NB-OTLoRa/Wifi/ Ethernet. ♦Analog and TTL high/lowlevel signal output