The AD4112NTL Dino-Lite handheld microscope is a composite (AV/Video RCA output) model with an interchangeable nozzle feature. Connect this model to a television via composite video for NTSC with 640x480 resolution. This microscope comes with both a standard open-faced nozzle as well as a sealed transparent cap nozzle designed to protect the lens and built in LED lights from dust, debris and moisture common to certain work environments. Microtouch can help with turning LEDs on/off as well as freezing the image. Our Long Working Distance (LWD) feature is a lens system designed to provide magnification at a longer distance compared to typical microscopes - 10x - 90x OPTICAL magnification, 640 x 480 image resolution, 60 FPS (video). - Connects directly to a television via the RCA/Component cables for easy setup and operation. - Removable Cap for various working distance requirements. - Long Working Distance (LWD) feature is a lens system designed to provide magnification at a longer distance compared to typical microscopes. - Use microtouch to freeze the live image or toggle the LEDs. Contact for compatibility.