Attention - This is an add-on camera and you need a WUUK Homebase to make it work. Homebase is not sold separately, you can choose Wireless Security Camera Set if you don't have one. Forever Power - Equipped with flexible solar panel and upgraded high-capacity battery, this system delivers continuous, maintenance-free powerno more climbing ladders to recharge. The adjustable solar panel can be mounted separately from the camera for the best sun exposure, ensuring reliable, around-the-clock security for your home.