Usage Tips:5P Port---The chair switch controller has a 5P port, which is mainly used on the electric sofa to control various functions of the electric sofa.In addition, equipped with a USB charging port, so you can charge your phone anytime, anywhere, to meet your various needs. Designed for Easy Handling---Our recliner controller is compatible with hand controls that have a quick disconnect or do not have a quick disconnect, making it easy to use and handle, which providing easy and convenient control over your seating position. Easy to Install---With a simple design, our handset is a breeze to install and use, so you can start enjoying your upgraded seating experience in no time.This recliner controller can make the operation of the electric sofa more simple and convenient, saving time and effort. Versatile Compatibility---Our 2 Button Round Hand Control Handset can be used on many different brands of recliners and lift chairs that use the 5 pin round plug, making it a versatile and cost-effective solution for upgrading your seating experience. Widely Application---This electric sofa hand controller is widely used in many situations, easy to install, such as bedroom, living room, office, hotel, etc.