7 inch color LCD, wireless, distance 150 meter, for villa and single house Features:1. Wireless, 7 inch color TFT LCD screen; luxury appearance with wire-drawing aluminum deck, hands free,2. Outdoor unit with waterproof function.3. Signal display on screen, to know the best communicating distance;4. 2.4 G Frequency-Hopping Spread Spectrum technology afford stable digital signal transfer;5. ...