CCTVCam
Known around here
- Sep 25, 2017
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Only real concern, as long as its not pointing directly at the camera, is a backlight condition. If you have a lot of light facing the camera, objects between the light and the camera will be backlit and be dark facing the camera. You could mitigate that by running the onboard LED's which of course would be facing out away from the camera
You could always move the flood lights. to the same side as the camera tp avoid backlighting. I doubt you'd need more than 1 anyway. The 4Kt is very sensitive. I run one successfully on my back yard with light from a less than 400 lumen bulb and that's a non directional light, so much of the light is lost in the opposite direction! Also if LED, you're existing lights might be dimmable. Although the picture is decent I have a sensor flood light to come on and offer several thousand lumens via a PIR if movement is detected. The 4kt adapts almost instantly to the change with it not being from total darkness and being colour only (no modes or IR filters to switch).
Is the 4k-T two way audio?
No outward audio at all.
I wish Dahua would address this as even basic consumer level cameras have speakers built in. My neighbour with his Ring was able to warn away car theives recently. I've got fancy cameras costing 3 times as much and can't play a warning message, siren noise or speak due to a lack of a speaker. Trying to find a decent accessory speaker is a nightmare - very few exist because virtually every consumer camera has them built in, and they're either cheap and nasty or very very expensive and large horns which make syou look like you own a petrol forecourt (!), and then you have to find amps / pre-amps and fit them inside nearby to power them etc. plus start running cables from the audio connector in the housing. It's all a mess when all you want is basic audio. This has to be one of Dahua's biggest oversights - all their cameras should be supplied 2 way.
They could just build speakers in, and then for large commercial customers with large sites that require public announcement horns, have the audio out connectors mute the internal speaker. Simples.