ZKTeco AL40B
| Material | Zinc Alloy |
| Verification Mode | Fingerprint / Card / Passcode /key |
| User Capacity | 100 |
| Power Supply | 4XAA Alkaline battery |
| Mortise | American Deadbolt |
| Fingerprint Sensor | Semi-conductor / Silicon |
| Card Reader | MI fare card |
| Temperature | -22℃—+55℃ |
| Door Thickness | 35-53mm(standard) |