2.4 TFT screen with super sensitive built in microphone * 2.4 GHz static free digital wireless transmission covering distances of up to 800 feet in open areas, or 150ft in enclosed areas * Uses FHSS (Automatic Frequency Hoping System) - jumps between different channels in the 2.4 GHz range which virtually "encrypts" the data * Automatic IR night vision,A/C Power: 6 V 1 A DC adaptor * Automatic voice activation power saving mode - monitor unit shuts down automatically if no noise is sensed for 3 minutes