The product is designed for wireless control of lighting devices (via radio waves, using the “Exta free” system). The receiver is extremely compact, allowing easy installation under the lamp cover, or in an installation or mounting box. Technical specifications: 230 V, 5 A, max. 750 W. Operating frequency: 868.32 MHz. IP20. The product includes a single Slim Line frame (it can also be mounted in multi-slot frames with 2, 3, 4, 5, or 6 slots). Suitable for use with incandescent, halogen, LED bulbs, or LED strips. Not recommended for fluorescent, CFL, or daylight lamps. How does it work? Suppose there is a switch on the wall that is not convenient or suitable for us. Instead, we install a receiver for the radio switch (DJ-01i) and mount the radio-controlled transmitter (DJ-01s) on the wall or furniture. Now, using the transmitter, we can control the lighting from a new location. Used products: one set of RJ-314 radio switches. In a hallway or at the beginning of a staircase, there may be only one switch. To avoid having to go back to turn off the light, we can install an additional switch. We remove the existing simple switch and install the radio switch receiver (DJ-01i) in its place. Above this receiver, we install a radio switch transmitter (DJ-01s). At the desired new location, we mount an additional transmitter (DJ-01s). Used products: one set of RJ-314 radio switches, plus an additional DJ-01s transmitter.