| Model | Communication Protocol | Communication Distance | Connection Method | Power Supply | Spec. Sheet |
| s501 | RF 433M | ≤ 30m | Wired | No dedicated power supply | Click to View |
| s502 | Wireless | Two 3.0V button cell batteries | Click to View |
| Model | Communication Protocol | Communication Distance | Connection Method | Power Supply | Spec. Sheet |
| s501 | RF 433M | ≤ 30m | Wired | No dedicated power supply | Click to View |
| s502 | Wireless | Two 3.0V button cell batteries | Click to View |