Wireless doorbells extender in comparison

Security Technology International, Inc. STI-3300 Wireless Doorbell Extender with Receiver Connects to Existing Wired Chimes, Part of Musical Wireless Chime Series

Pair with select Alexa-enabled devices and enable announcements to be notified when your doorbell is pressed or motion is detected.

1. Loud Enough Doorbell for Anywhere - Adjustable volume and mute mode 0 to 120 dB, 58 optional Melodies. Whether upstairs or basement. Memory function makes the doorbell remember the last ringtone and volume, no need to reset even if after a power outage.

Answer your door, no matter where you are, from your smartphone with 1080p HD day and infrared night video, and two-way audio.

WIRELESS CONNECTION the Byron wireless portable doorbell set is a convenient and reliable solution for your needs. It offers a wireless connection between the push button and the door chime, allowing you flexibility in terms of where you want to place the doorbell.

Easy to Install & Widely Compatible The doorbell extender is easy to install;Power cables can be connected either way;Operating voltage is 3-24V;Use a transformer if voltage exceeds 24V;Compatible with mechanical doorbells, wired doorbells

PLEASE NOTE - PLS ENSURE THAT THE POWER SUPPLY OF YOUR WIRED DOORBELL IS FUNCTIONING PROPERLY - as the wireless doorbell extender for existing wired doorbell transmitter of this product relies on the wired doorbell for power

See Them Arrive in Full HD Get a crisp 1080p-grade view of anyone who approaches your front door. The advanced WDR and 4 3 aspect ratio ensure you get a color-accurate, head-to-toe image every time.

GREAT EXTENDED RANGE The plug-in wireless doorbell can work normally within 1000FT. When there are multiple rooms in your home, the signal can also be transmitted stably, so that you will not miss any visitor. The transmitter will not interfere with other electrical appliances in your home or neighbors.

The high definition Night Vision features sharp contrast so you never miss a detail, even after dark.

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).

Secure Cloud Storage & Up to 128G TF Card Local Storage The camera doorbell wireless uses financial encryption, especially use a TF card up to 128GB (Not Included) and not pay for a monthly service, and free lifetime basic cloud storage(6 seconds per video and 7-day loop recording), or Premium cloud storage(subscription required). You'll never miss out on a moment with remote and playback video with the encrypted Cloud service wherever you are.