4k deferent and two wat audio

· 1/1.8" Stack Sensor 
· 4K @ 30fps, H.265, 24/7 color  
· 2.8mm Fixed Lens  
· 0.0005Lux@F1.0  
· Built-in mic and speaker  
· Face recognition (need SD card) 
· License Plate recognition (need SD card) 
· True WDR, 3DNR  
· Micro SD up to 256G  
. IP67, D12V/PoE