Add-on Switch for Martin Jerry 3 Way 4 Way Smart Switch Dimmer, Cannot Works independently

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• Add-on slave switch to work with MartinJerry master switch(STD01, Leading Edge 3 way dimmer). 3-way, 4-way, 5-way control. It CAN NOT works alone. It cannot work with any other 3-way switches
• If you purchased our 3-way switch kit (1master & 1 add-on), you can purchase this add-on to build a 4-way circuit. This add-on switch will replace your 4-way traditional switch.
• Installation Notice: Two Travelers in and out. Please send us photos if you are not sure. 1 Master switch you purchased can work with many add-on switches at the same circuit.
• Advantage: All add-on switches are dimmable. And no additional WiFi setting is required
• Warranty: Martin Jerry Promises 90-Day 100% refund, 1-year Quality Warranty for it’s Smart Home Devices on Amazon, like WiFi Smart Plug, Plugs, Smart Switch, Wall Switches, Smart Bulb, Smart LED Controller, Homekit smart plugs