â·ÃÊͺ¶ÒÁÃÒ¤Ò The RT32 combines non-contact voltage and light detection with wireless signals to monitor voltage in wires and identify the breaker that powers a circuit. RT32: Wireless AC Circuit Identifier (869MHz) with External Probe Local & Remote non-contact Voltage Detection + Remote Light Detection Features: Combines non-contact voltage and light detection with RF (Radio Frequency) transmission technology Remotely identifies mid-run AC wiring, circuit breakers, switched lines, AC outlets, and light fixtures Non-contact mid-run AC wiring identification without cutting into wires Lighting circuit identification using built-in light sensor Non-contact handheld voltage (NCV) detection External NCV probe can be used to identify wiring in hard-to-reach areas where the transmitting unit cannot fit AC Outlet Extender can be used to identify AC outlets Complete with transmitter, receiver, remote probe, 4 AAA batteries and case Specifications: Transmitter Unit Receiver Unit Display Power Detect External Probe LEDs Power Detect Communications LED Controls 3-position slide switch 3-position slide switch Transmission Frequencies 868MHz N/A Transmission Distance ~100m in an unobstructed field N/A Detect Status Visual Visual and Audible AC Extech Multimeter RT32 Voltage Detector