[APP remote control of finger robot] The finger robot can be controlled by mobile phone with Bluetooth gateway outside. (not included) [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 surface of the finger robot, paste it in the required position, open the mobile phone APP for configuration and use. Product Name:Fingerbot Battery:CR2 3.0V Different batches may cause differences in product appearance, text, and color, which will not affect the use Colour:White Material:plastic Package Contents: 1 * Fingerbot 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.