Catalog > Internet of Things (IOT) Related Products > More Platforms 4 Button 433MHZ Remote Control 4 Button 433MHZ Remote Controller SONOFF 4 BUTTON REMOTE CONTR 4 Button 433MHz Remote Control. Uses CR2032 Battery. Not supplied with battery. 78.32 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This is a Wireless 4 Buttons Push Cover Remote Controller which control the learning code remote control wall switch, plug seat or extention socket. It's suitable for long distance and multiple switch control. The remote controller can be compatible with our W and N Series intelligent switch.