DAHUA 21.5" FHD 24/7 Monitor with HDMI & VGA Inputs & Micro Bezel. DAHUA 21.5" FHD 24/7 Monitor with HDMI & VGA Inputs & Micro Bezel. Designed for Continuous 24/7 Operation. 6.5ms Response Time. 250lm Brightness. Viewing Angle 178°(H)/178°(V). 75x75 VESA.