Flex 8EPV Transmitter Eight 1-step, 2-step, 3-step or stepless pushbuttons
Flex 12EPV Transmitter Twelve 1-step, 2-step, 3-step or stepless pushbuttons
Flex 8VRX Receiver Up to 26 digital outputs (relays) and 4 analog outputs (voltage and current) Flex 12VRX Receiver Up to 38 digital outputs (relays) and 6 analog outputs (voltage and current)