Resolution: 4MP low power battery Wifi smart doorbell
Audio: 2-way audio
Lens: MiNi HD lens 110° ultra-wide viewing angle
Network: 2.4G Wifi
Functions: PIR alarm, PIR timing, PIR video recording
Storage: Max support for 256G SD card storage
Battery/Standby: Support 10000 mA batteries
APP Support: Support Android and IOS (SriHome)