Allnew Blink Video Doorbell Outdoor 4 sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

Our second-generation Video Doorbell and fourth-generation Outdoor 4 cameras offer up to two years of battery life and improved security features for more peace of mind, no matter where you are. When connected to the Sync Module XR, place up to ten Outdoor 4 cameras up to 400 feet away from your home with extended range. Last longer with two-year battery life Experience up to two years of continuous security coverage for Video Doorbell and Outdoor 4 with three AA Energizer lithium batteries and a Blink Sync Module (both included).