Sonoff RM433 wireless smart remote control with base included The RM433 remote control is a version Advanced for 4-button RF with 433MHz. Designed with 8 buttons to perform various functions running on different types of devices. Like adjusting the fan speed, setting the brightness, etc. The simple and elegant look gives any surface a beautiful decoration when placed on the wall. It can be paired to control SONOFF BASICRF, RFR3, Slampher, iFan03, D1, 4CHProR2, TX series, 433 RF Bridge and other devices that support 433 communication protocol and other devices that support 433 communication protocol. your devices is extremely simple and takes no time, just press any button on the remote to pair with the device you need to control. Quick installation. Convenient base for RM433 remote control, advanced version for 4-button RF with 433 MHz. Designed with 8 buttons to perform various functions on different types of devices. The base can be fixed with double-sided adhesive tape or, if necessary, with fischer-type wall plugs.   Features Brand: Sonoff Base EAN code: 6920075727630 Base manufacturer MPN code: IM190328001  Remote control EAN code: 6920075727623 MPN code remote control manufacturer: IM190314042 Base size: 86 * 86 * 15.8mm Remote control size: 86 * 45 * 12.5mm RF: 433.92MHz Battery remote control: 12V model 27A (included)