Fangrui Product Details Ewelink Basic-2.4g Smart Home Rm 2.4g Smart Switch Modification Module Bluetooth Protocol Ir Smart Home Remote Control Description: Please Note That This Product Is Not A Wifi Controlled Smart Home Product, It Is A Rm 2.4g Controlled Smart Home Product App: Ewelink Say "bye Bye" To The Router Still Worrying About Wif Without 2.4g Band Are You Crazy About Pairings That Often Fail With Unstable Signals Basic-2.4g Is Based On The Bluetooth Protocol. As Long As The Mobile Phone Has Bluetooth Function, Long Press The Device Pairing Button For Three Seconds To Achieve App/remote Pairing, So That Novices Who Have No Experience In Smart Home Use Need Not Worry About Pairing Problems You Can Choose To Download The Ewelink App, Or You Can Choose To Implement Control In The Wechat Applet Ewelink When Used With 2.4g Remote Control, The Unique Eight-key Design Can Distinguish The Equipment In Each Room Of The Home By Room, And Control All Equipment In Different Rooms Through Different Keys. It Can Also Realize One-key All-off When Going Out, Diy Smart Life, From Now On.except For The 7 And 8 Buttons Which Are Fixed To Full On And Off, Other Buttons Can Be Defined As Switches That Control Multiple Devices In Accordance With Their Actual Needs. When Using The Wif Protocol, I Worry That The Device Is Too Far Away From The Router, And The Signal Is Not Good, Causing The Device To Be Offline And Uncontrollable. With Basic-2.4g, No Router Is Required, And It Can Be Directly Controlled By Mobile Phone/remote Control, Which Stabilizes The Remote Control Distance Of 50 Meters And Brings You A Quality Life Experience You Can Set The Delay To Close Or Open In The App The Abs Fireproof Shell Ensures That You Will Not Have The Risk Of Burning During Use. Built-in Fuse Design, Cut Off Power In Time When Overloaded To Prevent Accidents Specifications: Name: 24g Smart Switch Controller Rm: 2.4g Input: 100-240v Ac50/60hz Maximum Current: 10a Size: 41x41x21mm Shell: Abs Output: 100-240v Ac50/60hz Color: White Package Included: 1*switch Module Notes: Please Note That This Product Is Not A Wifi Controlled Smart Home Product, It Is A 2.4g Rf Controlled Smart Home Product