Model:Q192192-BS; What's in the box:2 Indoor Unit,  1 Outdoor Unit,  English & Chinese Manual; Connection: Wireless; Kit Configuration: One to Two Doorbell; Additional 
 Features: Intercom,  Waterproof; Answering mode: Ding dong,  Music,  Hands-free; Primary Application: Hallway / Stairwell,  Living Room / Dining Room,  Doorbell,  Outdoor,  Indoor; Listing Date:10/10/2020