Versatility: This smart button lever is versatile, our robot switch works with virtually any toggle switch and button on any device. Lights or devices can be turned on or off automatically. Smart wireless control: You can control the finger robot controller via Bluetooth APP. Configure the smart robot to turn all devices on and off on a schedule. Make your life easier. APP CONTROL: You can use the Google Assistant voice assistant to control your Smart Finger Robot and create home automation where your smart home system automatically triggers the Finger Robot. Long service life: The finger robot switch is made of ABS material, strong and stable, white in color, built-in 500mAh CR2 lithium manganese battery, long service life. p> Versatile applications: Whether it's an old garage door, a switch, a fan, a doorbell or a coffee maker, Finger Robot can help you intelligently control your old devices by pressing the buttons and switches. How to use: 1. Scan the QR code on the box to download and install the app. 2. Disassemble the device according to the case diagram and remove the battery gasket. 3. Attach the smart switch to the control panel and use the app to control the operation. Product type: robot finger switch. Material:ABS Dimensions: 32 mm x 32 mm x 32 mm Color: white or black (optional) Wireless protocol: Bluetooth Low Energy 4.2 Torque: 1.6 kgf cm Maximum arm movement: 8 mm Package includes: 1 x finger robot Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.