Wireless Remote Control Light Switches RF Wall Panel Remote Transmitter with Receiver for Hall Bedroom Ceiling Lamp Item Type: Wireless Remote Switch Material: PCB Working Current: 13mAh Channel: 1CH Working Frequency: 433MHz Receiving Sensitivity: -105Db Output Mode: Instantaneous, Toggle, Latched Adjustable Code Type: Learning Code to Add a Controller Through the Learning Button on the Receiver Transmission Distance: Approx. 10-30m / 32.8-98.4ft Transmitter Built-In Battery: 1 x 27A (Delivery Without Battery) Work/Output Mode: Jog/mMomentary: Press a Key to Work/on. Release Your Finger on the Same Button to Stop/Close. A Channel Switch Requires a One-Button Remote Control Self-Locking/Self-Locking: Press a Key to Work/Turn On. Press the Same Button Again to Stop/Shut Down. (One-Key Remote Control is Required to Switch a Channel) Interlock/Lock: Press One Button to Work/Open, Press Another Button to Stop/Close. (One Channel Switch Requires 2 Keys Remote Control)