Ring doorbell 4 review

Plug Ring Chime into any standard power outlet, and get instant alerts anywhere in your home.
Plug and play: Plug it in, connect it to your Wi-Fi network and link it to your Ring devices. It’s that easy.
Compatible with Ring Video Doorbell, Ring Pro and Stick Up Cam.
Volume control: Adjust the volume directly from the free Ring app.
Package include 1pc

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.

【Door chimes when door/window opens】It can be used to monitor the closing status of doors/windows. If you have a toddler trying to sneak out of the bedroom, an elderly person with dementia trying to leave the house, or a pet trying to open the door, this wireless door chime can be a good reminder.
【Wide coverage & Unlimited expansion】This wireless doorbell has a range of up to 1000 feet (300 meters), enough to cover every door in your home or store. With up to 64,000 learning codes, it can be paired with other wireless doorbells for unlimited expansion. You can also pair different chimes with different sensors so you know exactly which door has been triggered.The doorbell has numbers 1 to 9 to choose from.
【55 Chimes and 5 Adjustable Volumes】55 classic ringtones, you can freely choose according to the situation.The volume can be adjusted in 5 levels from 0~110dB, and it can be muted. With LED indicator and memory function: the previously set tune is retained after reinsertion, no need to reset.
【Easy to Install】This door sensor chime and receiver are already paired and ready to use out of the box. Simply plug the receiver into an outlet and use the included double-sided tape to stick the sensor to any door, window or drawer.
【Suitable for various occasions】This doorbell can be used as a doorbell for your retail store or restaurant for commercial purposes, alerting you when someone enters your shop so you don’t miss any customers. It can also be used as a home alarm system to look after children or elderly individuals, serving both as a security device to prevent theft and to ensure the safety of your home.
【Package Content & After-Sales Service】1 plug-in receiver, 4 battery-powered sensors (batteries included), 9 screws, 1 mini screwdriver, 5 double-sided adhesive tapes, 1 English instruction manual. If you have any questions about this product, please contact us and we will respond to you within 24 hours.