Ring doorbell 4 review

DUAL DOORBELL + 328 FEET ULTRA LONG RANGE: Supvox Wireless Door Bell for Home with 2 Receiver & 1 Transmitter for Whole House Stereo Ringtones. The 328 feet ultra long range function allows you to accurately capture the door bell dynamics with no delayed response, no matter you are in the living room watching a movie or lounging on the top floor. The wireless doorbell with two doorbells and one transmitter is a great solution for your home.
55 RING TONES AND 5 VOLUMES: The Waterproof Calling Bell Wireless has 55 fidelity natural sounds to choose from, you can choose the ringtones according to your preference. 5 levels of volume intelligent adjustment (25-120dB) can adapt to whatever you need to sleep or work day and night in your home office and other places.
LED FLASHING ALERT: When someone presses the Doorbell for Homes, the receiver will not only ring a beautiful bell, but also light up the eye-catching LED light, providing flashing alerts for the elderly with impaired hearing at home, so that the hearing-impaired people can also use the wireless calling bell for home without barriers.
IP55 WATERPROOF AND DUST PROOF: The Wireless Remote Doorbell button is made of IP55 waterproof material, which can work sensitively in weather conditions from -4 °F to 140 °F, and can withstand all kinds of harsh weather conditions. The wireless doorbell adopts self-powered electric bell button, no need to worry about frequent battery replacement.
EASY INSTALLATION: The Supvox Calling Bell Wireless comes fully packaged and is easy to install and use. Simply plug the wireless doorbell receiver into the wall socket, the wireless door bell button can be patch mounted or screw mounted anywhere you want according to your needs. Ideal calling bell wireless kit for homes, apartments, schools, villas, offices, classrooms, warehouses, hotels, factories, hospitals and more.

【2-Way Audio & Smart PIR Detection】UK PLUS doorbell gives you real-time and uses a built-in microphone and speaker with noise cancellation clear two-way audio so you can instantly see, hear and talk to visitors. The built-in PIR sensor allows you to receive alerts and push notifications in real-time and will work when the APP is off or the device is not in recording mode.
IP53 Waterproof and Infrared Night Vision 】The Wi-Fi doorbell camera is IP53 waterproof with a high-quality lens, it can be safely used in any weather all year round. Monitor your property in 1080P HD video with 170° Diagonal Angle, which offers you crystal-clear images and video recordings. Check your home or courtyard at any time. Equipped with an IR sensor, day or night, rain or shine, the camera can automatically switch the light to ensure you a crystal view
【Equipped with Night Light receiver】Equipped with UK PLUS Doorbell Indoor Wireless ringtones so you don’t miss any visitors. No need to replace batteries, save money, have a human induction function, can be used as night lights at night, to prevent collisions.
【100% Wire-Free and Dual Storage Option】 Doorbell camera installation and connection are 100% wireless, giving you the convenience of not having to deal with any outlets or stray wires. Meanwhile, it offers iCloud storage and an SD Card that is convenient for recording.
【Design and Easy Installation】Taking just 5 minutes to set up, simply mount with the provided screws and wall anchors without the hassle of complicated wiring. The slim design ensures it can fit seamlessly onto any doorframe.