ONLY compatible with Arlo Pro & Arlo Pro 2, NOT for Arlo HD, Arlo GO, Arlo Ultra & Arlo Pro3. NO MORE BATTERY CHANGES, keeps your arlo camera always running and provides long-term continuous power supply for your camera. Super convenient and save time. | With 30ft Long cable, no worry for you about distance between socket and camera, also our cable is Flat so that you can run it through a window and still close the window very well. QC 3.0 quick charge plug, charges faster than the average charger more than double, providing a long-time fast and smooth power supply for your arlo camera. | Micro-USB head with waterproof tpe circle, tpe circle tightly around the micro-USB head. It is good for keeping the raindrop from penetrating the charging hole. | The charging adapter adopts good quality fire shell material and built-in safeguards, providing multiple protections to effectively ensure safe charging, against over-current, over-heating, over-voltage, and short-circuit protection. | Just need to open the back part of the micro USB protective cover and plug the USB cable into Arlo Pro, easy and convenient. 100% satisfaction: If any problem, contact us for full refund or new replacement.