FC-2C60E Center OpenWaterproof Door System https://www.xizi-ec.com/FC-2C60E-Center-Open-Waterproof-Door-System.html Door Vane Structure: Synchronous Door Cam OP (Clear Opening Width): 700mm, 750mm, 800mm, 850mm, 900mm, 950mm, 1000mm, 1050mm, 1100mm, 1150mm, 1200mm L (Length): Corresponding dimensions from 1410mm to 2410mm according to different OP sizes. AS: Customized according to customer requirements. HS: Default value: OPH + 405mm / OPH + 505mm. A: Customized according to customer requirements. SW: Default value: 180mm, or customized based on application requirements. HA: Customized according to customer requirements. K1: Default value: 100mm, or customized based on project requirements. TM: 100mm. TN: Distance from C-shaped slot II to the outer edge of the car door sill. Installation Mode: Straight Beam Installation Mode / Car Top Installation Mode / Column Installation Mode. Waterproof Level: IPX3.