Intercom with sharp clear audio. Their is a tiny screw on the underside of the unit that you unscrew so you can get to this feature. I wired it up myself, so a pair of small wire strippers for the bell wire to make a connection makes it easier.
eBay
Door Phone System, Doorbell Intercom Entry System, Wired Intercom Doorbell Kits, Door Intercom,
Aliexpress UK
Rainproof: The doorbell can be installed outdoors, and you are no need to worry about it is drenched by rain. Easy Installation: This video doorbell is wireless with no need of cables or lines. What you need to do is to fit the support on the wall with the mounting screws, install the batteries and download the APP, then you can begin using it.
eBay
Fingerprint 5in1 Unlock Wifi Doorbell Video Intercom System For Home Doorphone Tuya Smart 1080P
Aliexpress UK
Doorbell can connect the all electronic lock. (Note: 1 We suggest testing the doorbell kits with our original cable before installation,and the distance between the units should not be too close while testing,or it will cause noise sound. ).
eBay
WiFi Video Doorbell Smart Home Wireless Security Protection Camera Ring Door Bell Intercom Night
Aliexpress UK
Doorbell 1. Voice intercom: 3M. Doorbell size: 91 52.5 26mm. Doorbell weight: 84.5g. Push photos: Free cloud storage. Night vision type: infrared night vision. WIFI mode: 2.4GHz 802.11b/g. Cloud storage playback only supports viewing pictures, not videos;.
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IMOU 3MP Video Doorbell 2S Kit And Rex VT 5MP WiFi Smart Video Intercom Human Detection Voice Talk
Aliexpress UK
Rainroof: The doorbell can be installed outdoors, and you are no need to worry about it is drenched by rain. ③Only 64G SD Card, No Doorbell. Support WiFi and APP Function, it can be applied for Android, iOS APP Software.
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Wifi TUYA 1080P 7/10 inch Touch Screen Video Intercom Access Control Video Doorbell System Doorphone
Aliexpress UK
HOMSECUR Video Door Intercom System. Benefited from functionality and stability of HOMSECUR® HDS Series video intercom system, this XM704 indoor monitor is one of the very few coming with touch-button pannel design.
eBay
6/8/10/12 Unit apartments video intercom system 7 Inch video door phone Kit Video Doorbell for for
Aliexpress UK
Support TF card expansion, press the doorbell can automatically save the screen, video. Doorbell size: about 10.5 4 2cm. Doorbell weight: about 70g. Visual two-way intercom function. Wireless connection transmission, no need to WIFI connection, can transmit the screen data, the latest technology crystallization, break the harness limitations.
eBay
Jeatone 1080P 7Inch Monitor Screen Tuya WiFi Fingerprint Video Intercom Home Door Phone Camera with
Aliexpress UK
1 Doorbell. 1 Data cable. Color: As show.
eBay
2 Way Voice Intercom Super Long Range Wireless Intercomunicador Waterproof Intercom Doorbell System
Aliexpress UK