Ring doorbell 4 review

【No Battery Needed】 When the wireless doorbell pushes its button, the transmitter automatically generates power and sends a stable signal to the receiver. It solves the problem of replacing batteries.
【HD LCD Display for Temperature,】 The wireless doorbell is equipped with temperature sensor, which can know the indoor temperature .
【Waterproof Durable and Long Wireless】 Outdoor wireless doorbell with IP44 waterproof, working temperature between -4 ° F to 137° F （-20 ℃ -60 ℃）, can be used outdoors and withstand various weather conditions and the wireless range is up to 150m in open area.
【38 Melodies and 4 Volume Levels】 The wireless outdoor doorbell switches between songs by pressing the song select button on the receiver until 38 CD-quality ring cycles are complete, and has 4 volume levels adjustable from 0dB-100dB (with mute function) .With memory function, it will not repeat pairing due to power off.
【Easy to Install】 Insert the receiver into the socket, tear the insulation film off the waterproof doorbell to attach it to the wall, or install it firmly with screws (included); includes 1 * receiver, 1 * transmitter, 1* double-sided adhesive, 1 * instructions.

TWO-WAY COMMUNICATION: Features crystal-clear two-way audio functionality allowing real-time conversations with visitors through your smartphone
SMART SECURITY: Equipped with PIR motion sensor for detecting movement and instant video call notifications when someone approaches
REMOTE ACCESS: Seamlessly integrates with LAVNA Smart Locks, enabling remote door unlocking and monitoring from anywhere via smartphone
SURVEILLANCE FEATURES: Functions as a security camera with live streaming capability and video playback support for up to 64GB SD card storage
RELIABLE DESIGN: Weatherproof IP65 rating, AC power operation with battery backup, and straightforward installation process

Please Check the Doorbell Cover Size & Installation Video to see if it is suitable for your doorbell. Compatible with Google nest battery doorbell and arlo battery doorbell requires battery replacement from above doorbell, It is not convenient to replace the battery of doorbell in the doorbell covers
Wide Compatibility: The doorbell protection cover is compatible with Ring Doorbell/Blink Doorbell(New Model) /Eufy/Google Nest/Arlo/Kasa /AOSU Doorbell /GridTera and is suitable for doorbells up to 3.25 inches wide. It can be also compatible with myQ Smart Garage Door Video Keypad, Access Control System, RFID Keypad, Door Keypad
Weatherproof Doorbell Cover: The doorbell rain cover is 2.55 inch in width at the top. It can effectively prevent rain, sunshade, anti-glare, so that the video quality can consistent day and night
High-Quality Material: This video doorbell cover is made of durable metal material for long-lasting usage, suitable for outdoor doorbell rain protection
Easy To Install: Our smart doorbell cover comes with screws and installation maunal. All you have to do is tighten it to your desired position by the screwdriver. Suitable for outdoor use
Protect Doorbell: The black doorbell rain cover can absorb heat and reduce the sun’s heat reaching the doorbell camera, which can protect the performance and running time of the doorbell battery