1. Pixel: 4MP (2560X1440P), H.265 compression format 2. Audio: two-way voice, built-in microphone and speakers, support monitoring and intercom 3. Sensor: Digital wide dynamics, 1/3 inches, 4 million HD color CMOS sensors 4. Legend: 4mm lens, support 3X digital zoom 5. Night Vision: Support dual light source, support full color night vision 6. AP hotspot: support AP hotspot mode, you can monitor through mobile phones without the need for network 7. TF card storage: support 4G-128G TF card, support mobile phone video, playback, download 8. Video file download: Support mobile app download 9. Client: iOS / Android (SriHome APP) 10. Wireless: 2.4G IEEE 802.11b/g/n & 5G IEEE 802.11a/n/ac, support WEP, WPA, WPA2 encryption method 11. Video resolution: 1440