The Extech HDV640W is an Inspection Camera with Wireless Handset and 6mm Semi-Rigid, Articulating (320-Degree) Probe (1m). Includes wireless handset with nondetachable 6 mm semi-rigid probe with macro lens. The wireless transmitter allows the user to transmit video up to 100 ft. (30 m) from the measurement point to your monitor. Articulating probe tip adjusts up to 320-Degree viewing angle. The 5.7 in. color LCD TFT features a 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 objects. 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.