... caseIndoor Monitor* 2.4” TFT LCD with adjustable brightness* 2.4GHz transceiver* Built-in Microphone and Speaker* 4 LED indicators for maximum 4 cameras* Talk button ... door phone, Wireless video door bell, Video door phone, Wireless door phone, wireless doorphone, wireless door bell, wireless video doorphone, wireless video doorbell 2.4" Wireless video door phone ...