
Model Specification
Display | 7 Inch TFT LCD |
Screen | 7 Inch capacitive touch screen |
Wi-Fi | IEEE802.11 b/g/n, @2.4GHz |
RS485 port | ✔ |
Relay out | 1 |
Bell in | 1 |
Alarm Input | 8 |
Ethernet ports | 1xRJ45, 10/100Mbps adaptive |
Power Supply | 48V or 24V DC connector (if not using NS-2) |

R20A-2
Model Specification
Camera | 2 Megapixels, automatic lighting |
Inputs | 1 |
Relays out | 2 |
RS485 | ✔ |
Card Reader | 13.56MHz, 125kHz and NFC(only Android) |
Microphone | 1 |
Speaker | 1 |
Tamper Alarm | ✔ |

E12S-2
Model Specification
Camera | 2 Megapixels, automatic lighting |
Inputs | 2 |
Relays out | 1 |
Bluetooth | Support BT5.0 |
Card Reader | 13.56MHz and NFC(only Android) |
TF Card Slot | 1 |
Microphone | 1 |
Speaker | 1 |
Tamper Alarm | ✔ |