1. This document describes a wireless calculator video camera and receiver/recorder for desktop surveillance and recording interviews.
2. The calculator camera has a 320x240 resolution CMOS sensor, 3.6mm lens, records to the receiver in AVI format at 25 fps, and operates for 45 minutes on a rechargeable battery.
3. The receiver/recorder has a 2.4 inch LCD, supports multiple video/audio formats, memory card slot, and operates for 4 hours on a rechargeable battery. It functions as a wireless surveillance camera and interview recording tool.