Ezviz Db2 3Mp Grey Battery-powered Video Doorbell Reliable front-door protection in 2K resolutionKnow who’s there for what, before you open the door. Super easy to install and reliable in all weathers, the DB2 comes with multiple advanced features including 2K video, extremely wide ?eld-of-view, and smart motion detection.Users can enjoy an extra-layer of privacy protection using the voice changer feature, and set up no-?lming privacy zones. Features: 2k resolution - The DB2 records everything happening at your doorstep in 2K resolution. It also provides 5-meter infrared night vision for 24/7 peace-of-mind Indoor chime - DB2 pairs with an indoor chime that can help extend Wi-Fi signal, and boost the network for the doorbell to ensure it get connected stably Long battery life - the doorbell, with the weatherproof design, has a 5200 mAH rechargable battery with the life up to 115 days, and supports the energy-saving mode Ultra-wide field of view - With a 176-degree viewing angle, The doorbell comes with severaldifferent mounting plates in the package, which can help adjust the angle of installation to optimize the doorbell’s vision Human and PIR detection - With both human-shape and PIR detection capabilities, the device is smart enough to distinguish people from pets or objects Anti-Tamper Alarm IR Night Vision (Up to 5 m / 16 ft Specifications: Dimensions: H:48.5 x W:22.8 x D:60.0 cm Colour: Grey Guarantee: 2 Years Material: Polycarbonate Model Number: 6941545610702 Self Assembly Required: Yes