Features: [APP remote control of finger robot] The finger robot can be controlled by mobile phone with Bluetooth 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 tape 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 Plus Battery: CR2 3.0V(Include) Working Temperature: -10-45 Torque: 2.0 kgf.cm Maximum arm movement: 12mm Wireless Protocol: Bluetooth Low Power 4.2 NOTE: Different batches may cause differences in product appearance, text, and color, which will not affect the use Material: plastic colour: white Package Contents: 1 x Fingerbot Plus 1 x Toolkit 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.