1)Power supply: AC220V, 50HZ; AC110V, 60HZ 2)Electric lift arm, lifting stroke 300mm 3)Horizontal arm and functional box horizontal rotation angle 340 ° 4)The rotary joint has oxygen balloon expandable isolation brakes, just hold down the brake button on the device to easily rotate, release the button to secure the device no drift; 5)Weight loading: 100-200kg; 6)Instrument platform: three layers (height adjustable); rounded bumper design. 7)The gas terminal interface standard configuration: oxygen 2pcs, suction 2pcs; A. Different colors and shapes, with anti-pick wrong function; B. more than 20,000 times mating cycles; C. using the secondary seal, with three states (on, off, pull), can carry air service; 8)Electrical outlet: 8 pcs (220V / 10A); 9)Potential ground terminal: 2pcs; 10)The network interface: RJ45 1pc; 11)Drawer: 1pc; 12)Infusion pump rack 1pc; 13)The main material: high-strength aluminum alloy; 14)The surface treatment using imported high-voltage electrostatic powder spray; 15)Ceiling-mounted, high stability;