Specification: (1) Model : EL-C (2) Stroke : from 100 to 380mm (3) Voltage : 24VDC±15%,220VAC±15% (4) Max. Current : 0.5A (5) Power Consumption : 12W (6) Use Cycle : 10000 times (7) Travel Time : 42±3S (8) Max. Force : 250N Usage: It can control window to open and close more automatically. It is an ideal choice for your home automation of window application.