NIVIAN EV1527 Smart Home WiFi Plus GSM Wireless Alarm User Manual
NIVIAN EV1527 Smart Home WiFi Plus GSM Wireless Alarm Specifications Model: NVS-TOUCHALARM-W Version: V20251105 Wireless Connectivity: WiFi, GSM Screen: 7-inch high-definition IPS screen (1024 X 600PX) Battery: 5000mAH lithium battery Siren: Built-in louder siren and buzzer, up to 120dB…