How to Use: 1. Scan the QR code on the box to download and install the APP. 2. Disassemble the device according to the schematic diagram of the box, and take out the battery spacer. 3. Fix the smart switch on the switch panel and use the APP to operate the control. Application Scenarios: Compatible with a Variety of Switches, Such As Lights, Light Switches, Fans, TVs, Doorbells, Garage Doors, etc. UNIVERSAL SWITCH PUSHER This smart switch button push rod is highly versatile, our finger robot switches are suitable for almost any rocker switch and buttons of any device. Lights or household appliances can be turned on/off automatically.