1.Small and compact 2.Modern 3.12 volt power 4.Digital read ... 5.3/4", 1" 5/4"available, 2-way automatic valves 1/2'' to 3/4'',IP65,with diffrent wiring,3 ... Pnematic valve can not worked HVACTechnical paremeters: Size: 1/2'' to 3/4 inches Material: stainless stell(304),brass ... 90 degree Body: SS,Brassmini motorized valve,actuated valve,automatic valve,control valve,motor operated valve,motor actuated valve ...