灯头旋转范围：左右旋转360度，上下旋转180度。

Rotating head range: about 360 degree rotation, upper and lower 180 degree rotation.

youdao

灯头旋转范围：左右旋转360度，上下旋转180度。

Rotating head range: about 360 degree rotation, upper and lower 180 degree rotation.

youdao