2022 Smart WiFi Doorbell Wireless Ring Chime Intercom Video Door Bell Camera US Brand New and High Quality High definition clear video displays the details in front of your door ,reliable and practical. WIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone. Equipped infrared night vision, automatically open at night. The doorbell can be controlled by APP, automatic work model, intelligent and portable. Support voice change, women's voices into men's voices. Support up to 10 family members at the same time. Specifications: Material: ABS material, PCBA, polymer battery, speaker, camera, hardware Color: White Battery capacity: 800mA Power input: 5V=2A Charging time: 1.5 hours Standby time: 6 month Record keeping: Three days of permanent rolling storage, 3 days unlimited Camera resolution: 480 x 640 Doorbell size: 80 x 53 x 22 Chime size: 55 x 42 x 25 Package Includes: 1x Doorbell unit 1x Indoor ding-dong unit 1x Auxiliary installation sticker 1x Small screws 1x Manual instruction Listing and template services provided by inkFrog