Untested, don't know if it works.
eBay
Individual monitors without mutual influence. External doorbell with waterproof housing and built-in infrared sensor. Easy Installation With the included tool, you can easily set up and install your video doorbell.
eBay
No complicated setup. Tip: Channel V2 takes priority for safety. Customize your viewing experience with adjustable brightness, contrast, and saturation settings. IP69 waterproof standard makes it to work in bad weather, resistant to heat and cold weather.
eBay
Effortlessly switch between them to enjoy an expansive viewing angle with 8 built-in infrared lights for crystal-clear images. Signal reaches up to 825ft in open areas and works seamlessly up to 320ft on vehicles.
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Two way audio. Do not work with computers or NVR systems. which can monitor and reduce false alarms.
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Function mode: signal detection mode, strong magnetic detection mode, infrared scanning mode, anti-theft alarm mode, lighting function. Button function: Long press for 3.5s to turn on the key switch, the blue light is on after the sound of "drop", short press for vibration mode, and the default signal detection mode is started.
eBay
Designed to withstand harsh conditions, it’s waterproof, dustproof, and vandal-resistant. Plus, it’s compatible with all 12V electronic locks for enhanced security and convenience. With advanced motion detection, you’ll receive instant alerts on your phone whenever activity is detected.
eBay
In the dark, the video doorbell automatically turns on the night vision function so you can see a clear picture of your surroundings. External doorbell with waterproof housing and built-in infrared sensor.
eBay