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EFM5550
1. Product Summary
Key Features:
✓ One-touch operation – Turn handle to open, lift to lock
✓ Dual authentication – Code/fingerprint + handle press required for entry
✓ Slim profile – Modern design for interior doors
Security Benefits:
• Instant deadbolt engagement
• Prevents unauthorized access
• Superior to mechanical locks
Perfect For:
Homes – Offices – Institutions
EFM5550
1. Product Summary
Key Features:
✓ One-touch operation – Turn handle to open, lift to lock
✓ Dual authentication – Code/fingerprint + handle press required for entry
✓ Slim profile – Modern design for interior doors
Security Benefits:
• Instant deadbolt engagement
• Prevents unauthorized access
• Superior to mechanical locks
Perfect For:
Homes – Offices – Institutions
2. Product Details
Construction
• 304 stainless steel: Latch/deadbolt/spindle follower
• 430 stainless steel: Lock case
• 201 stainless steel: Face plate/striker plate (multiple size options)
Security
• 200,000-cycle endurance tested
• Verified long-term reliability
Durability
• QB/T 2474-2017 compliant
• 200,000-cycle tested durability
• Proven reliability for diverse installations
2. Product Details
Construction
• 304 stainless steel: Latch/deadbolt/spindle follower
• 430 stainless steel: Lock case
• 201 stainless steel: Face plate/striker plate (multiple size options)
Security
• 200,000-cycle endurance tested
• Verified long-term reliability
Durability
• QB/T 2474-2017 compliant
• 200,000-cycle tested durability
• Proven reliability for diverse installations
Product Accessories
The EFM5550 mortise includes a striker plate, a plastic dust box, and four stainless steel screws.
Product Accessories
The EFM5550 mortise includes a striker plate, a plastic dust box, and four stainless steel screws.
3. Technical Details
3. Technical Details