wireless, 7 inch LCD, metal shell outdoor and indoor unit. with waterproof function,with SD card slot, Wall mounted or desktop Features:1. Wireless, 7 inch color TFT LCD screen; luxury appearance with wire-drawing aluminum deck, hands free,2. Metal outdoor unit with waterproof function.3. Signal display on screen, to know the best communicating distance;4. 2.4 G Frequency-Hopping Spread Spectrum ...
