Compatible with: Amazon Alexa, Google Assistant, SmartThingsThe Google Nest Cam Outdoor Wi-Fi camera includes everything a DIY surveillance camera should: crisp 1080p video, a wide field of view, and two-way audio. The Nest Cam Outdoor has a weatherproof cord and plug, as well as a convenient mounting system that allows you to aim the device in any direction. AdvertisementCompatible with: Amazon Alexa, Apple HomeKit (with a compatible base station), Google Assistant, IFTTT, SmartThingsThe Arlo Pro 4 Spotlight Camera delivers the best image and most specialized alerts of any cordless camera we tested. Like the Nest Cam, the Arlo Pro 4 requires a subscription—Arlo Smart—to record clips and distinguish between people, pets, packages, and vehicles. Compatible with: Amazon Alexa, Apple HomeKit, Google AssistantAlthough it’s not quite as smart as the Arlo, the EufyCam 2 Pro Wireless has the best rechargeable battery we’ve seen on a cordless outdoor security camera.