Eufy Security eufyCam E, Wireless Security Camera, 365-Day Battery Life, 1080P HD, 2-Way Audio, IP65 Weatherproof, Indoor and Outdoor Use, Add-On Camera, Requires HomeBase or HomeBase E, Homebase. 365-day Battery Life: The 100% wire-free and IP65 weatherproof-rated camera is designed to run for 365 days (or 3 years in Standby Mode) per charge, indoors and ...