2 units are used to control double doors to open synchronously.
Hold open Function : When the door is fully opened, block it for 5 seconds to activate the Hold-Open function. Just pull the door 5cm towards the closing direction to restart the usual opeming/closing process.
Power failure push: The door can be easily be open and close manually with only 20N
Rich Interface: The product presents an external interface to facilitate connection of additonal equipments and improve user experience.