The Otis Instruments, Inc. OI-5950 is a WireFree Switch-State Transmitter for use in conjunction with a new or existing WireFree system. The OI-5950 receives signals from up to two individually addressable sensors (pressure switch, temperature sensor, flow sensor, tank level sensor, etc.), and then transmits the state of, and change of state of, that switch.
Part Number Formula: OI-5950-[Radio Configuration]-X-O