ITEM NAME:1-Channel AC 220V Wireless RF Remote Control Receiver Relay Switch 433MHz B&X Wiring instructions: L: Fireline input N: Zero Line Input OUT L: Fireline Output OUT N: Zero Line Output Technical Indicators: Input voltage: AC85V-AC220V RF operating frequency: 315M, 433M optional. RF mode: superheterodyne reception Receiving sensitivity: -107 dBm Remote control distance: the open space is more than 100 meters. Number of Storable Remote Controllers: 32 Support remote control type: learning code, fixed code Various working modes: point, self-locking and interlocking. Wiring mode: fixed wiring post Interpretation of working mode: 1. Point mode: press the "A" key of the remote control, turn on the relay, release the "A" key of the remote control, and turn off the relay. If the "A" key of the remote control is pressed all the time, the relay will always be on. When the remote control is on, the relay will be off. 2. Self-locking mode: press the same remote control button, press it, turn on the relay, press again, turn off the relay. 3. Interlocking mode: press the "A" key of the remote control, turn on the relay, press the "B" key of the remote control, turn off the relay. Package included: 1pcs.RF mode: superheterodyne reception. N: Zero Line Input. OUT N: Zero Line Output. Interpretation of working mode.