Smart Remote Home Night Vision Capture Monitoring Video Doorbell 1. Material: ABS 2. Battery: 3 No. 5 dry batteries (not included) 3. Use time: more than 3 months in normal use 4. Standby time: about 1 year 5. Intercom type: color visual 6. Camera resolution: 640x480 300,000 pixels 7. When someone presses the doorbell, the doorbell will push a notification to the mobile phone, and the owner can enter the mobile video8. The conversation interface supports sharing with 10 members at the same time 9. When the visitor presses the doorbell, you can capture the visitor's picture, save the record to the cloud, and check the past pictures at any time on the mobile APP, which is safer and more assured 10. Upgraded voice change function, when you are alone at home, you can use the voice change intercom function, support original sound, and 2 voice modes for boys are optional 11. Support 3M adhesive pasting, no need to punch holes, and support punching installation, no need to plug in, convenient and worry-free 12. 3 AA dry batteries can standby for 365 days with ultra-low power consumption, say goodbye to the trouble of frequent battery replacement (not included) 13. Adaptive infrared night vision function, can automatically switch daynight mode, see the night visitor clearly 14. Contains 38 songs, switch at will, volume can be adjusted 15. Doorbell machine size: 100x62x30 mm 16. Dingdong machine size: 55x42x25 mm (including USB: 12mm height) 17. Doorbell machine net weight: 84.2g 18. Dingdong machine net weight: 23.3g