WIFI Smart Photo Camera Doorbell, White This Wi-Fi smart doorbell is equipped with a high-definition infrared night vision camera and real-time alert of visitors for added security Product Specification: Supports night vision alarm function Recording visits WIFI/RF transmission Alarm for burglarizing When the outdoor unit leaves the wall, the indoor unit will issue an alarm Voice intercom AMOLED display Compatible with Android and iOS mobile phones and tablets One doorbell can connect to multiple mobile devices at the same time Can be easily installed with adhesive paste or screw Requires two AAA batteries (not included) Material: Plastic Technical Features: Rated voltage: 100V-240V AC Scope of application: RF (radio frequency) 30m + WIFI30m Camera lens: 80° visible angle + F2.8 aperture Picture resolution: 480 x 272 Image sensor: 1/4 CMOS Supporting app: eye4 (for iOS/Android systems) Alarm: buzzer Package Includes: 1x Aquarius wifi wireless smart camera doorbell