Brought to you by the leaders in the baby monitor industry, the DXR-8 is a dependable choice that offers a balance between size, weight, video and audio performance. Software and hardware refined over years of iteration from customer feedback. Plug and play - no setup required, perfect for travel. Features interchangeable lens technology. Unlike internet cameras, the DXR-8 offers zero load time delay-free playback on a dedicated monitor screen. 100% digital privacy, safe from hackers. Zoom further - use optical zoom lens AND digital zoom function for 4x zoom, without compromising video quality Remote pan / tilt / digital zoom Alarm function, two-way talk, remote thermometer, invisible IR night vision Expandable up to 4 cameras with Scan Mode Interchangeable optical lenses - standard and zoom lens included, wide angle lens sold separately. Battery life: 12 hours audio-only mode, 8 hours with live screen Spare/extra monitor unit charging cable included Sound activated LED bar Excellent used condition. Price is firm.