yhml smart wireless wifi video intercom doorbell, 720p phone doorbell home security night vision camera, 166° wide angle, motion detection, alarm video doorbell yhml 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