Wifi Video Doorbell Style:A -System is upgradeable

-System is upgradeable

Video Compression Format H

Production Rate 0-600ml/minWeight 11 KGDimension(L*W*H) 400*270*380mmWarranty of core components 1 YearProduct name Portable Household Hydrogen Generator for Inhalation people healthyModel SPE-600Hydrogen purity 99

Audio Stimulator

19）DC: Rechargeable lithium battery 7

Wifi Video Doorbell Style:A -System is upgradeableDetails Next Generation Wireless IP Smart Video Doorbell intercom system: Wireless doorbell easily talks with visitors through the app, which supports IOS Android smartphones and tablets. Support remote unlocking, monitoring, Two way communication, video recording, etc. You can answer the door in your hand. No Subscription Required: Free smart platform TUYA APP, Including 32GB micro SD card, locally securely stored, one time purchases that combine