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Product Description：

1. Application scenarios: indoor/outdoor                       2. App Name: Smart Life/Tuya Smart App
3. Whether echo cancellation is supported: yes            4. Effective pixels: 300,000, 480P
5. Appearance: ABS                                                          6. Focal length: 2.0mm
7. Field of view: 80°                                                           8. Infrared night vision: support
9. Night vision distance: best 1 meter, maximum 3 meters        10. Frame speed: 7 frames   
11. Intercom voice: two-way                                            12. Voice pick-up function: built-in microphone, sound pick-up distance of 3 meters
13. Speaker: 8 Euro 0.8W                                                 14. Motion detection: not supported
15. Wired network: not supported                                   16. wifi standard:IEEE 802.11b/g/n
17. Video encoding:JPEG                                                 18. Voice Code: G711A
19. Repeat video: not supported                                      20. Memory card: not supported
21. Power supply: DC3.7V 1000Mah lithium battery       22. IP:IP55 
23. Wire length: 30CM                                                        24. Installation: drilling/gluing
25. Ding Dong music box technical parameters: Songs: 19 songs4 levels of volume adjustable (high, medium, low, mute
26. Speaker: 8 euros, 1 watt.                                              27. Distance: Open straight, 50-60 meters, through the wall about 30 meters
28. Power Supply: 5V1A                                                     29. Frequency: 433.92 MHz
30. Transmit Power: 13dBm installation mode USB plug and play