SolarCam System Pro Forever Power: 100% wire-free surveillance powered by direct sunlight, with a built-in rechargeable battery for continuous operation Cover Every Corner: Easy, flexible installation with a 166° super wide-angle lens to eliminate blind spots. Clearer Details: 2K picture quality, a 50% improvement over 1080P Securer Smart Alarms: Distinguishing between general motion, someone staying, or someone passing by. No Monthly Fee, 32GB Local Storage: Built-in 32GB EMMC storage for free playback and downloading of videos from the last 120 days, with encrypted and locally saved video data. Video Doorbell Ultra 5MP Ultra HD No Monthly Fee Triple Motion Detection Enhanced (2.4/5 GHz) WiFi 180-Day Battery Life Video Doorbell with Home Station Compatible with Alexa and Google Assistant