📍 QUFEX Wireless Smart Doorbell with Camera Used only once 📍 Usage instructions are written and explained by downloading the app on your mobile phone 📣: megaphone:: megaphone: ((Please, only serious buyers contact me. Many waste time with strange and numerous questions that are often clearly answered in the pictures, and they request to communicate via WhatsApp but don't buy - I do not communicate via WhatsApp except when absolutely necessary for location details))