The Snap-on Wireless Digital Inspection Scope, No. BK8000, features a 4.3" diameter screen, and a digital video and image capture with internal memory and SD card storage. This scope offers a dual imager with a wireless 802.11n to provides clear image transmission. Comes with rechargeable lithium batteries in both the viewer and imager. Other features include a three mega-pixel rear-view camera, a touch-screen interface; and a USB port for mass storage. Two-year warranty.