[APP remote control of finger robot] The finger robot can be controlled by mobile phone with zigbee gateway outside. [Voice Control of the Finger robot] The finger robot can be controlled through a voice device . [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, which has ultra-long battery life. [Convenient installation] Stick glue on the bottom of the finger robot, paste it in the required position, open the mobile phone APP for configuration and use. Colour:White Material:plastic Size:34mm Package Contents: 2 x Fingerbot Switch Only 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.