PRODUCT DESCRIPTION: 1. Category: Monitoring Suite2. Use environment: indoor3. Scope of application: 15-200 meters4. Effective distance: 10m (inclusive) -30m (not included) 5. Definition: 1.3 million (960P) 6. Network protocol: 2. 4G7. Mobile APP support: not supported8. Number of cameras: 19. Additional function: night vision effect9. Product weight: 550g10. Product size: 247*172*66 (mm) feature of product: 1.2.4G wireless digital signal transmission, more than 250 frequency hopping, free from WIFI interference2. Encrypted digital signal transmission, good security3. The barrier-free transmission distance reaches 200 meters, and the partition wall distance is 30 meters4.3.5 inch high-definition LCD screen, the image is displayed more clearly5. Both the camera and the monitor have built-in batteries, and the usage time exceeds 2H6. Built-in baby sleeping lullaby, you can control the camera to play through the screen7. Monitor with temperature display, switch between Celsius and Fahrenheit8. Baby monitor with two-way intercom function