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99View at Best Buy$89. 99View at Amazon?You can also install it anywhere thanks to a built in rechargeable battery, though you can also connect it to your old doorbell's wiring for a constant power source without recharging. After installation, you connect this doorbell to your Wi Fi network using the Ring smartphone app, which lets you take calls, speak to visitors and give instructions to delivery people using the doorbell’s built in speaker and microphone. You can also connect it to other smart home products such as Amazon Alexa, SmartThings and Wink. While you can view your Ring's live video anytime without a subscription, you can expect to pay between $3 and $10 a month to record video. The $3 cloud storage plan is the most affordable compared to paid plans we looked at, but the $10 plan includes a lifetime warranty for your Ring products and records video from unlimited Ring doorbells and security cameras. As with most smart doorbells, the Ring only works with mechanical doorbell chimes, though you can buy the Ring Chime for an extra $29. This doorbell camera's video quality isn't as good as other products we tested, though certainly good enough for most people considering the price. Unlike the Ring Video Doorbell 2, this unit doesn't come with angled brackets for mounting in tight corners. Read the full reviewBest for Smart Locks and Easiest to UseAugust Doorbell Cam ProReasons to BuyUses same app as August Smart LockFree video storage optionAnswer calls from your phone's lock screenReasons to AvoidOnly works with mechanical chimesShort battery lifeOne year warrantyRead the full August Doorbell Cam Pro review$199 View at Walmart Marketplace$199. 99View at Walmart$199.