| One-side manual unlocking, hand away from the insurance automatic reset |
| Dual cylinder direct drive, reduce intermediate links, more secure |
| Columns with double S section design, higher strength |
| With the upper limit function, to protect the roof from damage |
| Asymmetric mounting, convenient for the door in the repair process to open wider |
| Standard with a rectangular tray, heightening section sets, anti-pressure feet guardrail |
