[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, 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. Battery: CR2 3.0V Operating temperature: -10 ° C~45 ° C Product torque: 2.0 kef cm Maximum movement distance: 12mm Please note: The voice function can only be using after the controller needs be successfully paired with the TV. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:White Material:ABS Package Contents: 1 x Fingerbot kit 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.