Key Operated: -The installation is simple, the construction cost is low, does not need to lay the underground hydraulic pipe; the underground needs to bury the line pipe.-The failure of a single lifting bollard will not affect the use of another bollard.-It is suitable for group control of more than two groups.-Embedded barrel surface with hot-dip galvanized coating light anti-corrosion technology, can reach more than 20 years of life in a damp environment.-The bottom plate of the pre-buried barrel is provided with a water seepage opening.-The surface of the body polishing and hairline treatment.-Quick Lift, 3-6s, adjustable.-Can be customized to read cards, remote card swiping, license plate recognition, remote control functions, and infrared sensor linkage.-Hydraulic Power movement is waterproof and dustproof Product Value Added: -Based on the concept of environmental protection, raw materials are made from refined steel, materials sustainable recycling.-To flexible keep order out of chaos, and pedestrian traffic diversion. -To protect the environment in good condition, protect the personal security, and property intact.-Decorate the drab surroundings