Sliding Gate Operator JGZ-400P Specification:Safety:1\ Rebound when hit obstruction- when the door is shutting down and hits any obstruction before close to its setted location,the door will stop automatically and start pulling up to open within a second(the door stressed force can be adjusted). 2\ Stop when hit obstruction- when the door is opening up and hits any obstruction before opening to its setted location, the door will stop automatically (the door stressed force can be adjusted). 3\ infrared detector- the door will stop shutting down at the distance of 10-30cm from the obstacle when the infrared detector detects it. 4\ Infrared protection - there is a device to monitor the infrared detector automatically .When it finds the infrared detector stopps working ,it will stop the motor running to prevent the door from hitting people or other objects. 5\ Remote control- with hopping code(digital code) technique ,the transmitter is able to avoid being copied ,then higher security. 6\ Automatical shutting-the door will shut down automatically within 70 seconds,then safer for busy people. Performance: 1).Adopt eternal magnetism DC motor, small in size, safe and reliable, adopt the latest soft start & stop technique ,reduce the impact to the motor to ensure the stable operating.