タイトルまたは説明

Clear two -way audio communication The indoor unit with a 1.8" TFT-LCD and door release The indoor unit with built-in microphone and adjustable volume speaker The indoor unit with built-in 4 AA battery compartment Weather resistant outdoor unit has a built-in camera,cell 6 infrared LEDs for night vision in the outdoor unit *-bit encrypted ID code to ensure privacy High integration of 2.4GHz and UHF frenquencies to eliminate interference 4 channels for available and support up to 4 cameras