Features: [Voice Control of the Finger robot] The finger robot can be controlled through a voice device at home.[Timed start] You can set the time in the APP and start the finger robot at a regular time.[Ultra-long battery life] The finger robot uses the CR2 battery(Include), which has ultra-long battery life.[Convenient installation] Stick glue on the bottom surface of the finger robot, paste it in the required position, open the mobile phone APP for configuration and use.Specifications:Product Name: Fingerbot PlusBattery: CR2 3.0V(Include)Working Temperature: -10℃-45℃Torque: 2.0 kgf.cmMaximum arm movement: 12mmWireless Protocol: Zigbeenote: Different batches may cause differences in product appearance, printed text, and color, which will not affect the useMaterial: plasticcolour: whitePackage Contents:1 x Fingerbot PlusOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.