Comparison : Item # AX020720, Universal Input, Single Output (5A) Valve Controller, Near Field Communications, PCB Assembly with Screw Terminals
Item # AX020720-PG9, Universal Input, Single Output (5A) Valve Controller, Near Field Communications, Metal Box, PG9 Strain Relief
Item # AX020720-1.5M, Universal Input, Single Output (5A) Valve Controller, Near Field Communications, Metal Box, 1.5 m Cable
Item # AX020700, Universal Input, Single Output Valve Controller, Near Field Communications
Item # AX020710, Universal Input, Single Output (3A) Valve Controller, Near Field Communications, PCB Assembly with Screw Terminals