First Alert FAS-5022 5-inch B/W Monitoring System with 2 Cameras (Discontinued by Manufacturer) 0.33-inch B/W CMOS image sensors in cameras, five-inch B/W picture-tube screen in monitor Wireless camera can transmit to receiver up to 300-feet away Built-in audio on cameras, monitor has A/V out for VCR recording or TV monitoring Cameras achieve 380 horizontal TVL resolution, monitor capable of 350 TVL at center Monitor runs on 12-volts DC power