Sylvania SY5S1021C-A 5-inch B/W 2-channel Observation System with 1 Camera Five-inch B/W monitor has a built-in two-channel switcher Includes a 0.33-inch B/W CMOS image-sensor camera Monitor allows for simultaneous recording and viewing of up to two cameras Camera achieves 400 horizontal TV lines down to a minimum illumination of 0.1 lux Camera includes a built-in microphone for listen-in audio and 63-foot connection cable