General
| Model | DS-K4E100 |
| Power supply | 12VDC ± 10% |
| Electric current | 350 mA (working current), 25 mA (standby current) |
| Working temperature | -20 °C to 50 °C (-4 °F to 122 °F) |
| Length of the lock tongue | 20 mm |
| Material | Stainless steel |
| Dimension | 130 × 100 × 61. |