ONLY compatible with Google Nest Cam Outdoor or Indoor, Battery - 2nd Generation Features: ? 24 hours of continuous charging ? Weatherproof materials ?No need to remove batteries to charge ?25 ft/7.6 m long cable ?Short circuit and overheat protection Run your Google Nest Cam Outdoor or Indoor, Battery - 2nd Generation continuously by conveniently keeping it fully charged. No more ladders. No more hassle of changing batteries. The fast charge adapter features an extra-long cable that creates a weatherproof seal to keep your camera safely charged all year round.