Description: Works well with just about any rocker switch and button of any appliance (except touch screen switch). With the included Add-on sticker, one Bot helps to turn your light both on and off. Easy to install and set up,no swapping, no tools are required. With Bluetooth Hub (only support 2.4GHz Wi-Fi), you can control your Fingerbot remotely from anywhere and enable voice control. Use the Tuya/Smart life App to schedule built-in timers, run without phone or Hub. Turn lights or home appliances on/off automatically even when you’re away. Linkage with other Tuya products is possible,open Tuya devices in set Scenes via App. Specification: Stall Torque: 1.6 kgf-cm Maximum Movement: 8mm Battery Capacity: 500 mAh Bluetooth signal distance: 1-2 m Working Temperature: -10 ±45° Size Chart: 48x37x33mm/1.89x1.46x1.30inch Package Includes: 1 Piece Finger Robot 1 Piece Adhesive Tape 1 Piece Short Straight Arm 1 Piece Long Straight Arm 1 Piece Armband 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!