garage door opener, sectional door opener, garage door operator, garage door motor, CE/ROHS/CSI certificate. Function:*Electronic limit switchs*Automatic ... minutes light delay*Manual release in case of power failure*Chain drive,low noise*Soft start,soft stop*Backup battery function ... With CE certificate. we have ET600,ET800,ET1000 types of garage door opener INPUT VOLTAGE:220/230V AC 50Hz (110v AC 60Hz ...