Tuya Smart Wifi Video Doorbell

◆ Application scenarios: indoor/outdoor
◆ App Name: Smart Life/Tuya Smart App
◆ Whether echo cancellation is supported: yes
◆ Effective pixels: 300,000, 480P
◆ Focal length: 2.0mm
◆ Field of view: 80°
◆ Infrared night vision: support
◆ Intercom voice: two-way
◆ Speaker: 8 Euro 0.8W
◆ Motion detection: not supported
◆ Wired network: not supported
◆ Wifi: IEEE 802.11b/g/n
◆ Repeat video: not supported
◆ Memory card: not supported
◆ Power supply: DC3.7V 1000Mah lithium battery
◆ Installation: drilling/gluing
◆ 4 levels of volume adjustable: High, medium, low, mute
◆ Distance: Open straight, 50-60 meters, through the wall about 30 meters
◆ Power Supply: 5V1A
◆ Frequency: 433.92 MHz