... Type : AC motor , DC Motor selectable ( tailor to customer's need)3, Power : 550W( tailor to customer's need)4, Max Drive force ... Speed : 12m/min8, Interruption limit: spring or magnetic( tailor to customer's need)9, 433MHZ/315MHZ Remote control ,100meters open ... technology ,Super heterodye AF modulation11, terminals for alarm connection( tailor to customer's need)12, Wire control with manual switch13, ...