Features: wireless connection, ultra low power consumption, remote active wake, fast start<br />Uses: Guests can make video voice calls and make short-term videos. The owner can know the information without opening the door.<br />Wake-up mode: wake-up of the doorbell button, wake-up of PIR human body detection, active wake-up of the mobile phone<br />Alarm Push: Push within 3-5s seconds<br />Online users: multiple users watching online at the same time<br />Sensor performance: automatic white balance, automatic gain control, automatic backlight compensation<br />Letter to ratio: ≥39B<br />Lens / viewing angle: 1.7wOF2.4/166<br />Night vision: double filter automatic switching, 6 850w high power infrared lights, night vision 10 meters<br />Resolution: 720P<br />Intercom Double: Intercom to voice, with echo cancellation<br />Wireless network: 802.11e/6/s<br />Wireless network security: WPS security encryption<br />Wireless connection: one-click WIFI configuration<br />Recording mode: motion detection recording, doorbell button trigger recording, manual recording<br />Storage: TF card storage maximum 326 (not included)<br />Power supply: 2*18650 battery (not included)<br />Installation method: wall mounting<br />Material: ABS plastic + electronic components<br />Product size: 7.5cw*3.3cu*14.4cm<br />Product weight: 330G<br /><br />Package Contents: Doorbell*1, User Manual*1