2. Machine core with compression spring, effectively avoids the accidents caused by spring breaking
3. Die-casting aluminum alloy motor, precision and good at thermal radiating
4. Motor cooling fan, solving the problem of heat-protection
5. Double safety limit switches (photoelectricity limit switch/motor memory sensor)
6. Reversing on an obstacle
7. Auto-closing
8. Support the INFRARED PHOTOCELL for anti-bumping function (optional)
9. Support the external and internal VEHICLE LOOP DETECTOR (optional)
10. Traffic light interface
11. Wire control (switch signal)\ Remote control(418MHz)
12. RS485 Communication module (optional)