Tuya Bluetooth Zigbee Smart Finger Robot Plus Virtual Finger Light Switch Bot Adaprox for Alexa Google Home Aistant Zigbee2MQTT Tool cannot be used alone. It need to be used with zigbee finger bot plus! Note 1.The zigbee finger bot plus must be used with tuya zigbee gateway.2.Work with Home Aistant Zigbee2MQTT and ZHA.(Z2M:1 gang switch. open/close switch)3.Tool cannot be used alone. It need to be used with zigbee finger bot plus. Feature: New upgrade ZigBee version:Tuya ZigBee Gateway/Hub is requiredAPP remote control :The smart finger bot plus can be controlled by mobile phone connect zigbee gateway.Voice Control :The smart switch button pusher can be controlled through a voice device at home.Timed start:You can set the time in the APP and start the finger bot button at a regular time. SzkostonUltra-long battery life:The zigbee finger bot uses the CR2 battery, which has ultra-long battery life.Convenient installation:Stick 3M glue on the bottom surface of the finger robot, paste it in the required position, open the mobile phone APP for configuration and use. Specification: Product Name: Zigbee Finger bot PlusDimensions: 34.5*34.5*34.5mmWeight: 38gBattery: CR2 3.0VTorque: 2.0 kgf.cmMaximum arm movement: 12mmWirele Protocol: Zigbee 3.0Working Temperature: -10-45Zigbee Hub: Required Package Included:1*Zigbee Finger bot Plus1*Tool(optional) Q: The finger bot plus needs a zigbee hub or bluetooth hub?A: The finger bot plus need tuya zigbee hub.no need bluetooth hub. Notice: Please allow 1-3mm difference due to manual measurement.Due to different displays and different lighting, pictures may not show the actual color of the item. thanks for your understanding