Detailed Product Description

1.Electric roller shutter door machines are using 220V or 380V AC power supply;
2.Roller shutter doors opened and closed by the power-driven operation;
3.which can be matched with manually lock button and security locking;
3.Can be controlled remotely from far away; the itinerary up and down is controlled by the limit switch for automatically under control;
4.undivded unable-broken chain design, opening and closing with security;
5.In blackouts, the manual operation can be used and save the effort;
6.Operations are stable, low noise, small vibration.