Doors bell with two ringers in comparison

Expandable Doorbell System for Multiple Receivers The VOXON door bells wireless cordless system supports up to 4 transmitters and multiple receivers (only compatible with VOXON models). This expandable cordless door bell wireless system allows you to create a customized home alert system, making it ideal for large homes, offices, and multi-room setups

BATTERY FREE Transmitter is converting the energy from finger press, the receiver is easy to get rid of the worry about changing batteries, more conveniently and more environment friendly.

2K HD Video & IR Night Vision The doorbell camera images and video captured are clear and vivid and 166 wide view angle , it can facial features are easily recognisable with 2K HD resolution. And video doorbell has built-in IR lights , even in low-light circumstances as need it to be. Night vision distance up to 33ft. Note video doorbell only connect with 2.4GHz Wi-Fi(not support 5GHz Wi-Fi).

100% Wireless & Cordless The XTU doorbell camera Built-in rechargeable battery can last up to 1-2 months so that you won t have to charge the batteries too often and getting the instant battery situation via your phone APP. Camera doorbell are 100% wireless to install and connect, makes you enjoy the convenience of not have to deal with any outlets or tangled mess of wires. Note video doorbell only connect with 2.4GHz Wi-Fi(not support 5GHz Wi-Fi).

Easy Installation & Support Expandable - No wiring, No batteries, It only takes 5 minutes to install the doorbells, Simply attach the button to the wall with the 3M adhesive or screws, and then plug the receiver into power the socket to complete the pairing - It does not block the other outlets at all, and is a little box that plugs into any electrical outlet. The doorbell chime kit retains last setting after a power outage. Different transmitters can be set to different tunes.

55 Chimes and 5 Volume Levels The door bells has 55 selectable ringtones with 5 adjustable volume levels from 0db to 110db and silent mode to meet your needs. The memory function allows the cordless doorbells to remember the last ringer and volume, with no need to reset even after a power outage

Next-Level Detection Have total control over what is detected through the Video Doorbell camera s motion sensor, smart human detection, and activity zones. Receive real-time alerts when anyone approaches so that you never miss a delivery or keep guests waiting. Note The warranty on this product is 12 months.

5 Volum Levels & 32 Chimes Our Wireless doorbell receiver with 5 levels (including mute) of adjustable volumes from 0 to 85dB, It has 32 chimes to choose from, you can change the chimes for holidays or whatever is interesting to you. Flashing light indicators are easy for people to notice.

Upgraded 2K Full HD Video & Super Night Vision GEREE doorbell camera with 2560 x1440 Megapixel and 166 wide angle, and provide you ultra-clear image and video recordings. Built in IR lights is as good at night even in low-light circumstances as need it to be and up to 33 Feet.

Self-Powered&No batteries required Self-powered doorbell, batteries are not required for both push button and receiver. Pushing down on the button creates a mechanical force, which generates electrical power itself and sends a stable signal to the receiver. Eliminates the need for changing batteries or recharging

Classic wired chime that should be mounted vertically on a wall, ideally at 2 m high, for best sound coverage

WIRELESS DOORBELL BATTERY OPERATED JSIEEM flashing doorbell is powered by 3 AAA batteries (included) so no electric outlet needs to be occupied. The receiver can be mounted onto the wall by screws and it is easy to stand the doorbell on a desk. You also can take it with you to the backyard, basement, garage or bedroom.