| Model | YGS9939 |
| Lock Type | Hotel Electronic RFID Lock |
| Material | SUS304 Stainless Steel |
| Finish | Brushed Stainless Steel |
| Card Technology | Mifare 1 (13.56 MHz) |
| Card Reading Distance | 0–5 cm |
| Reading / Writing Time | < 0.25 s |
| Power Supply | 4 × AA Alkaline Batteries |
| Battery Life | Over 15,000 cycles |
| Static Current | < 20 μA |
| Dynamic Current | < 150 mA |
| Audit Trail | Up to 1,000 events |
| LED Indicator | Red / Green |
| Handle Design | Reversible Left / Right |
| Emergency Access | Mechanical emergency key |
| Memory | EEPROM |
| Date Keeping | Over 10 years |
| Operating Temperature | -25°C to +58°C |
| Operating Humidity | 15–90% RH |
| Storage Temperature | -25°C to +58°C |
| Storage Humidity | 15–90% RH |
