Specificatons: Material: ABS + silica gel  Color: black, white (optional) Mobile phone size: 56~100mm / 2.2~3.94in Load: 265g / 9.35ounces  Supportive system: compatible with iOS 10.0 and higher/Android 8.1 and higher Power supply: 3 * 1.5V AA alkaline batteries (not included) Item size: 165.4 * 93 * 93mm / 6.51 * 3.66 * 3.66in  Package size: 180 * 94 * 94mm / 7.09 * 3.7 * 3.7in  Package weight: 192g / 6.77ounces   Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. 3.It is recommended to use single scene, with the best tracking effect.  4.Do not move the face or object too fast. Package List: 1 * Auto Tracking Mount 1 * Chinese & English User Manual