| Brand | Aqara |
| Model | Smart Lock U200 | EL-D02D-B |
| Power | Lock: Rechargeable Li-ion battery 7.4VKeypad: |
| Wireless protocols | Thread, Bluetooth 5.1, NFC |
| Operating temperature | -15 °C~66 °C (5 °F~ 150.8 °F) |
| Humidity | 0 ~ 93% RH |
| Dimensions | Lock: 62.3 × 60.6 × 152.5 mm (2.4 × 2.4 × 6 in.)Keypad: |
| Weight | 620 g |