... Supply3.6V/DC Built-in lithium battery-powered, continuous working time is more than 6 yearsElectrode materials316L stainless steel, HC, HB, titanium, tantalum ... , platinum / iridium alloyLining MaterialPoly chloroprene rubber, polyurethane rubber, PTFE, F46, PFAConnectionFlange type, plug-in, clamp ...