Ophthalmic Chair and Stands Specification Technical Parameter Combination sets size 1020×1230×1580mm Table size 1010×480×120mm Arm lifting the upper and lower size 200mm The chair lift up and down size 200mm Power 220V 50Hz Weight 240kg Electric lift chair Electric lift, at the end of the noise. Sliding a small table Convenience of mobile devices in the desktop position. Projector Mounts Projector fixation can be adjusted up and down. Arm Luxury electric Arm, you can swing around, you can up and down movements, increases the measured range of human height requirements. .