Roller door opener:
                              YONG HONG has three series roller door opener. The openers also have the two functions: obstruction reverse, soft start and soft stop.

                              YHDO-I, 250N lift force
                              Driven by a reliable DC motor, with nylon structure and added security features, it represents value for money and quality for all shed and carport situations.
                              Features:
                              1. Powerful and quite DC motor, quick installation
                              2. Auto Reverse Protection System
                              3. Auto light delay
                              4. Rolling Code Technology
                              5. Mechanical limits positioning
                              6. Manual release in case of power failure
                              7. Backup battery



                              Download
                              roller door opener YHDO-1.rar

                              YHDO-Ⅲ,350N lift force
                              Driven by a reliable DC motor, with nylon structure and added security features, it represents value for
                              money and quality for all shed and carport situations.
                              Features:
                              1. Powerful and quiet DC motor, quick installation
                              2. Auto Reverse Protection System
                              3. Auto light delay
                              4. Rolling Code Technology
                              5. Mechanical limits positioning
                              6. Manual release in case of power failure
                              7. Can be with battery backup, receiver, infrared sensor
                              8. The cotrol box is waterproof, safe for the internal PCB



                              Download
                              roller door opener YHDO-3.pdf

                              YHDO-Ⅳ
                              Electric limiting, 500N lift force
                              Australian design for soundless rollup door, Switch power, Waterproof design, Drive unit and Control system together.
                              Features:
                              1. 100-260Vac, 50Hz, rolling code 433.92 MHz, 500 Newton Motor.
                              2. Soft Start and Soft Stop for smoother operation.
                              3. Mechanical or Electrical Limits Setting.
                              4. Independently adjustable opening and closing force.
                              5. LED brilliant lighting system.
                              6. Suitable for shaft mounting.
                                 DownloadYHDO-4.rar
                              Add: 511-760# RD. Meicun Wuxi Jiangsu China     Tel: 0086-510-81155809     Fax: 0086-510-81155809         E-mail: sales@yonghong.net      info@yonghong.net
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