Resolution:2560*1440 (4MP)   
Lens:Focal length: 3.6mm; Aperture: F1.6   
FOV:100.3°   
Encoding:H.265   
Two way audio:Two way audio, echo cancellation   
Audio input:Mic   
Audio output:Speaker   
Night vision:IR-CUT auto switch   
Night vision distance:8-10m   
Wireless connection:2.4 GHz  Wi-Fi IEEE 802.11 b/g/n；   
Motion detection:Yes   
Signal to noise ratio:≥58dB   
Sensitivity :-36dB± 2dB   
Speaker function:Support   
TF card:Max to 128GB(TF card not included)   
Cloud storage:Optional (With Extra Cost)   
Amazon Alexa:Optional (With Extra Cost)  
Google assistant:Optional (With Extra Cost)  
Power :DC 5V   
Certificate:CE   
Working temperature: -5℃  -  40℃   
Working humidity:＜ 95% non-condensing