I9 VGA Network Smart Doorbell Phone APP Two-Way Voice Motion Sensor Smart Door Bell Voice Changing FunctionSupports changing female/kids voices to a male voice for enhanced security. Ideal for situations when alone at home. Provides options for original and male voice modes Infrared Night VisionEquipped with infrared lights for supplemental illumination. Ensures clear imaging with a uniform light source. Automatically activates night vision for enhanced safety after dark HD Wide-Angle LensFeatures a wide lens with an HD night vision sensor. Delivers better imaging quality even in low-light environments. Capable of capturing clear visuals in completely dark conditions,supported by infrared light Family Sharing FunctionAllows sharing with up to 9 family members. Video messages from the doorbell are sent to all connected users,with the first responder able to engage in a visual conversation with the visitor Real-Time MonitoringSupports real-time monitoring of the area in front of your door via a dedicated app. Built-in PIR sensor detects motion,captures images,and pushes alerts to your smartphone instantly Built-In RingtonesBuilt-in with 38 pre-installed ringtones. Volume can be adjusted to suit your preference Specifications: Model: i9 Interface: Type-C Dimension: 110*55*36mm(Doorbell),60*44*26mm(Indoor Unit) Doorbell battery capacity: 4000mAh Package included: 1 x Doorbell 1 x USB Plug Indoor Unit 1 x Type-C Charging Cable 1 x Install Sticker 1 x English Manual 1 x Screwdriver