Function 1. High speed,stable running speed can be adjusted, devoted to electronic toll collection systems ETC 2. Using professional digital stepper motors, can be run at low or high speed stable operation 3. Can prevent car features: rail arm falling to angles greater than 15 ° horizontally within the context of, such as vehicular coil induction area, Rails will automatically lift the arm to prevent smashing cars; 4. Anti-collision function: the rail arm and main shaft is arranged between the turning device of rail, the rail arm crash occurs, it will take away; 5. Barrier arm will automatically lift once Power brake. Technical ItemParameter Arm length2.0 m Arm raising speed 0.3~0.8 seconds Voltage220V ±10% Frequency50/60 Hz Power500 W Size418*386*1085 mm mmmm(L*W*H) Remote distance10~30 m Net weight(Not include arm)75 Kg MotorDigital Stepper Motor Using life10 million times