This Is A High-Torque 2-DOF Expandable Pan-Tilt Camera Module, Adopts Serial Bus Servos For Joints Driven. The Horizontal PAN Axis Rotation Range Up To ±180° (360° In Total), The Vertical TILT Axis Rotation Range Up To -45° ~ 90°. Based On The General Driver Board For Robots, Open Source Control Demos For Web APP To Achieve Photo Taking, Video Recording, Face Detection, Motion Detection, Etc. Supports Flexible Expansion And Secondary Development.