The EverCam promises a year of home security on a single charge
 

Eufy is Anker's smart home line of products, which includes robot vacuums, smart scales and even an Echo Dot competitor called Genie. Now Eufy has its own wireless security system called EverCam, and it's taken to Kickstarter to both fund and gauge i...

https://www.engadget.com/2018/04/18/...single-charge/