*Super small body, and it occupies less space. The receiver board size is only about 3.5*1.5*0.8cm. Customizable special code: MCU type.*Very convenient to use, simple wiring diagram connection way. Three working modes: momentary, toggle, latching three modes.*Wireless control LED lamp string, Christmas tree light string, light control switch, router, shop light box signboard, glowing signboard, monitoring equipment, servers, alarm devices, etc.*Optional fixed encoding type: PT2262 / EV1527 / HT6P20B Learning code. Support remote control up to 20 pieces.*Learning pair code: it can work with any remote control with the same frequency, so you needn't worry about losing remote control any more.