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FEATURES
Pure copper core motor: Pure copper motor has a strong horsepower, quieter, stable operation, and longer service life
Rebound function: If the door opener encounters obstacles to stop its operation during operation, the door opener will rebound immediately to avoid damage
Dual-mode door opening: When the power is off, you can switch to manual mode: After the power is restored, use the clutch key to turn it back to the electric mode.link:https://www.heinda-cn.com/automatic-sliding-door/automatic-sliding-gate-door-opener/ecnomical-sliding-gate-door-opener.html