[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. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Please note: Remote control, connection to smart speakers, and timing control of these functions all require a Bluetooth gateway to be used (not included). Colour:White Material:plastic Size: 38 x 38mm Package Contents: 1 x Fingerbot 3 x finger accessories 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.