chain garage door opener

chain garage door opener 1, 110Vac/230Vac input voltage selectable 2, power transformer overheat and overload protection 3, ESD protection and surge current protect. 4, 24VDC ,120W power motor with gear box, chain drive type 5, Arcing elimination and Smooth start-up and stopping 6,433.92MHz remote control with a dynamic changeable rollingcode technology 7, smart alarmingbell switch 8, double protection with Infrared barrier interface 8, Safety Automatic closing ,automatic reverse when obstale is met,, 9,Overload force is adjustable 10, Automatic opening when there is overload when closing 11, Courtesy lighting lamp,automaticLight on when triggered. and delay time is pre-settable 12, more functionality can be designed tailor to customer's needs, customized design is offered. 13,provideboard level offering, we can layout the PCB board / circuit and modify the program according to customer's requirement to fit customer's existing application platform. 15, we can design and manufacture metal and plastic housing enclosures