Automatic Door Closer

[safe]automatically re-open door if automatic door opener notices an object in the closing path,make sure safety of the people in the door way, if used for disabled access, it is recommended to install a optional motion safety scanner to extend the re-opening opening time [easy parameter adjustment]lots of parameters such as manually push force can be adjusted on closing force by handheld programmer of the automatic door [durable motor workable with input voltage ac100-ac240]the motor is very durable and will not burn out easily due to unstable input voltage because it adopts wide voltage technique, workable with input voltage ac100v to ac240v [easy installation debug] easy installation and debug