The Extech HDV640 is an Inspection Camera with Wired Handset and 6 mm Semi-Rigid, Articulating (320-Degree) Probe (1 m). Includes a wired handset with non-detachable 6mm semi-rigid probe (1 m) with macro lens. Articulating probe tip adjusts up to 320-Degree viewing angle. 5.7 in. color LCD TFT with high definition 640 x 480 resolution. Compact, high-resolution water-proof camera probe. Camera head with four built-in bright LED lamps with dimmer to illuminate viewed object. Glare-free close-up field of view. The SD memory card included stores more than 14,600 images. Video recording (up to 4 hours) with voice annotation. AV output for viewing images and video directly on a monitor. Video and images can be transferred to a PC via the SD card or USB output. Optional wireless transmitter allows you to transmit video up to 100 ft. (30 m) from the measurement point to your monitor.