High-definition picture:: The screen is a 7-inch color TFT LCD with no radiation . This product has low power consumption and high-definition picture. Allows you to use it for a long time and has high quality.ersatile:: With hands-free intercom function. Electronic lock control function. Outdoor monitoring and other features. With infrared night ision, night ision infrared camera, you can clearly see the external situation at night. Waterproof with IP55.Adjustable:: 12 chord music is optional and does not always use a single ringtone. Allows you to set the situation to your liking. olume, brightness and contrast can be adjusted to suit your needs.High-quality materials:: using modern technology, rain-proof aluminum outdoor unit with light rain and anti-oxidation function. The material is made of ABS + aluminum alloy high-quality materials, and the indoor unit aluminum alloy panel is fashionable and luxurious.