Key features:  24/7/365 Operation 1920 x 1080P Full HD Resolution BNC, VGA, HDMI Inputs 3D Comb-Filter to reduce screen noise, De-Iinterlace, 2 Built-in Stereo Speakers 100mm x 100mm VESA Mounting Pattern Warranty 3 years  Why Choose a Security-Grade Monitor?   Security-grade monitors are designed to withstand the rigorous demands of surveillance applications. And unlike cheaper consumer-grade displays, security-grade monitors are built-to-last and provide the reliability, image quality, and performance needed for around-the-clock surveillance. This 21.5 Inch Widescreen Security-Grade LED Monitor offers high-resolution viewing and is engineered to withstand the rigorous demands of 24/7 surveillance environments. The slim 16.7 million color LED display brings your surveillance video to life with vivid, colorful images. The anti-glare monitor features a 1920 x 1080 (1080p) full-HD display resolution enabling you to view your security video with exceptional clarity and detail on a high-resolution screen. The monitor offers a 178° horizontal and 178° vertical viewing angle and a 16:9 aspect ratio for widescreen viewing. The security-grade LED monitor produces a 220 cd/m² image brightness level with a high level of visibility, along with a 1,000:1 contrast ratio for perfectly-balanced, high-contrast images. Other features that enhance your viewing experience include a 3D comb filter de-interlace feature that filters out screen noise and enhances resolution, along with a fast 5 ms response time to ensure smooth viewing of video during fast-moving activity on-screen. This monitor is equipped with multiple video signal inputs and outputs for flexible connectivity. You can easily connect your DVR, NVR, PC or laptop to the monitor for viewing video. The flat-panel display can be stand-mounted with the included stand, or wall-mounted to meet your application needs (wall mount sold separately). The monitor is equipped with 100 x 100 mm VESA™ mount pattern for mounting the flat-panel display onto a wall. VESA is a family of standards defined by the Video Electronics Standards Association for mounting flat-panel displays and TVs to stands or wall mounts.Display Model No.:  QA220WE Panel type:   21.5’’ LED Aspect Ratio: 16:9 Brightness: 220 cd/m² Contrast Ratio: 1000:1 Static CR Resolution: 1920 x 1080 Response Time:  5ms(G2G) Viewing Angle:  178º/178º (CR>10) Color Support: 16.7M   Input  Connector: BNC Inx1, BNC out1, VGA In x1, HDMI In x1Power Power Consumption: Typical 20W Stand By Power (DPMS):   <0.5 W Power Type:  DC 12V 2A    Features Plug & Play:   Supported Audio:  2Wx2 (Optional) VESA Mount: 100x100mm Remote Control:  Yes Accessory:   Remote control, signal cable, user's manual, Power adaptor Cabinet Color: Black