Docooler 7" TFT Color LCD Display Video Door Phone Visual Intercom Doorbell Hands Free IR Night Vision Aluminum alloy panel of indoor monitor, fashionable and luxurious.With aluminum alloy shell on outdoor unit, waterproof, antioxidant and durable to use. 7" color TFT LCD screen, without radiation, low power consumption, high definition and with press key control.Outdoor camera with clear IR night vision can monitor and capture images in low-illumination environment. Combines many functions in one: two-way intercom, surveillance, unlock, hands free call and talk, etc.16 different kinds of melodies for your choices.Volume, brightness and contrast are adjustable. Supplied with connection cable and adapter, users can install it according to operating instruction. This product can meet different requirements, such as one-to-one, one-to-two, one-to-three, one-to-four, two-to-one, two-to-two, two-to-three, two-to-four.Can be widely used in single-family houses, villas, offices, hotels and so on.