Features: - Single-armrest chair. - The mechanical arm can move and adjust flexibly in multiple dimensions. - It can accurately position and adjust the armrest according to the posture, position and observation needs of the microscope operator, so that the operator's arm is in the most comfortable state, reducing the fatigue caused by maintaining an unnatural posture for a long time. Technical Specifications: - Air rod specifications: 140 mm. - Armrest size: 340 × 100 mm. - Minimum distance from the ground for the seat cushion: 490 mm. - The highest distance from the ground for the seat cushion: 620 mm. - Aluminum foot diameter: 600 mm. - Wheel diameter: 60 mm. - Chair gross weight: 23.6 Kg. - Package size: 630 x 590 x 480 mm.