1. Ultra-Long Standby/Hd Infrared Night Vision/Ips Display 2. Press The Doorbell To Automatically Take Photos, And Check Visitor Records At Any Time With One Click 3. Stable And Stable Smart System Bring You A New User Experience 4. High-Definition Infrared Night Vision, With Infrared Night , Easy To Capture Night Images 5. Alloy Anti-Pry Design, Not Afraid Of Prying Or Smashing, Ensuring Long-Term Use 1. Product Name: Smart -R11 2. Infrared Night Vision: Support 3. Screen Size: 2.4 Inches (Display) 4. Suitable Door Thickness: 35mm-105mm 5. Operation Mode: Button 6. Camera Pixel: 100mp 7. Viewing Angle: 120 Viewing Angle 8. Power Supply : 3*Aaa Batteries (Not Included) 9. Take Photos: Ring The Doorbell 10. Camera: Professional Security Grade For Day And Night Use 11. Storage Type: Tf Card (Not Included) 12. Doorbell Sounds: Polyphonic Ringtones 13. Host Size: 111x74x18mm 14. Sub Unit Size: 60x60x15mm 15. Door Hole Range: 15-50mm 16. Door Thickness Range: 35-105mm 17.Colour:black 18.Material:ABS Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Package Contents: 1 x Host 1 x Camera 1 x Steel Plate 6 x Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.