Only outdoor camera to connect the power supply, Indoor unit does not need power supply. Waterproof & Night Vision Camera. The Outdoor doorbell is constructed with a aluminum front panel for protection from vandalism, while waterproofing protects from the rain or snow. 700TVL IR night vision camera makes you to see clearly who rings the bell even at night, it can capture images in low-illumination environment. Can automatically balance the light and dark area of the video to give you a better night vision experience.Only the outdoor camera to connect a power supply, indoor unit does not need to connect the power supply, Easy to connection. Indoor monitor & Outdoor camera Wiring diagram. Please leave us message which type of the power plug you want, otherwise, we will send EU type by default. This item is in the category "Home & Garden\Home Improvement\Home Security\Door Entry Systems & Intercoms". The seller is "joinlgo_sally" and is located in this country: CN. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.