7 Loop 1792 Address Fire Alarm Control Panel YUNYANG YFR-1 – Trung tâm báo cháy địa chỉ 07 loop 1792 địa chỉ. – English LCD screen (240×128 or 240 characters). – LCD backlight energy – saving protection function. – Two-wire circuits for super long transmission distance (up to 1.5km between the control panels and modules). – The data memory device can store up to 2000 historical records permanently (the device in […]