AOSU Wireless Doorbell Camera, Battery-Powered Video Doorbell, 2K Resolution, No Monthly Fees, 2.4GHz WiFi, Human Detection, 120-Day Battery Life, Video Calling, Voice Changer, Work with Alexa

✅[HD 2K Crystal Clear Display/Extended View]: The integrated 2K sensor combined with 7 parts of an advanced ultra-clear optical glass lens ensures that you get sharp, detailed images even in low light conditions. The advanced 4:3 aspect ratio gives you a vivid, clear head-to-toe view of all visitors to protect your home office, business, etc.