This is a100% wire-free Wi-Fi battery camera running on the 2.4 GHz wireless frequency. It has an inbuilt rechargeable battery (18650 Rechargeable Lithium batteries) that will enable you to continue monitoring your valuables in the event of power loss. It has an inbuilt microphone that provides two-way audio, wide viewing angle, motion detection recording and alerts, great night vision and can be connected to a solar panel for continuous charging. With an IP65 certification, this camera is suitable for both indoor and outdoor use and can be used to monitor children, nannies, employees and other valuables. The camera can be remotely monitored on your android/iOS phone