Add a Bluetooth Gateway To Be Smarter Bluetooth Hub Required(Not included) for wireless remote control when you aren't at home.With a hub, the Smart BT Button Opener can be voice-controlled by Alexa, Google Home Tuya smart/Smart life App Control Point-to-point control at home, no need a Bluetooth hub.With a Bluetooth gateway Bridge, you can control your Fingerbot through the Internet from anywhere. Timer & Scheduler The build-in scheduler function allows you to tell your Fingerbot when and on which days it should be triggered. Easy to Install The provided 3M sticker allows you to install your Fingerbot wherever you like. Tape it right next to a rocker switch or button. Your old devices can be retrofitted in seconds with no extra wires or modifications needed. Tuya/Smart life App Monitors Battery Power, Low Powered Reminder Before Using Remove the battery insulation sheet before using the device. Before Pairing Open the battery cover, long-press the reset button for 5 seconds When pairing your Fingerbot Long Battery Life Comes with a CR2 Battery.1 Year Battery Life Built-in Replaceable Battery when the battery is dead, you can open the back cover and easily replace it. Smart Button Pusher Compatible with Light Switch Doorbell, Coffee Maker, Fan, lamp switch etc. Printer Lamp Switch Thermostat Copier How to download App? Two ways Scan the QR code behind the box and enter the download page to download the application.Search "Smart Life" in the mobile application store, download and install the App NOTICE: The item is non-waterproof. Do not install it on an underwater appliance.Do not hinder the movement of the Fingerbot's arm when it is working. Otherwise it may cause the arm to fall off and damage to the motor inside Fingerbot. Specifications Functionaries: App Control, Voice Control, Scheduler, Cloud ControlSize: 1.3 x 1.3 x 1.3 inch/32 x 32 x 32mmWeight: 1.1 oz/32gCommunication protocol: BLE 4.2Battery: CR2(Include)Stall torque: 1.6 kgf·cmWorking temperature: -14 ℉ ~ 131 ℉/10℃ ~ 55℃ What's in the box? 1* Home Wireless Smart Switch Bot Button Pusher 2* 3M Stickers