Bluetooth ++ self-reset switch AC phase-cut dimmer, 1-channel output. Used for switching or dimming monochrome dimmable LED lamps, traditional self-ignition lamps and halogen lamps. Graffiti intelligent APP cloud control supports on/off, brightness level, delayed on/off, timed running, scene and music playing functions. 256 level 0- smooth dimming, no flicker. Dip switch sets the front-cut dimming or the back-cut dimming. You can set the minimum brightness by pressing the key. You can set the switch gradient for 3 seconds. Optional pairing with RF2.4G single-zone or multi-zone dimming remote controller. Each S1-B() controller can also be used as a ZigBee- converter, and then the graffiti smart APP is used to control one or more RFLED controllers or dimming LED power supplies. Connect the self-reset switch to realize on/off and 0- dimming. Can be installed in a standard wall junction box. Overheat/overload protection, automatic recovery. Note:due to different printing batches, the words in kind are different, which does not affect the use. Colour:White Material:silicone Package Contents: 1 * dimmer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.