Product information:
Specifications: ST-637-6M-20X-WiFi version, ST-637-6M-20X-4G-European version, ST-637-6M-20X-4G-US version
Material :ABS plastic
Signal-to-noise ratio :48
Backlight compensation: Supported
Camera sensor size :1/2.9
Bracket type: Wall-mounted and suspended
Alarm function: Supported
Minimum illuminance :0.00001
Voice type: Voice intercom
Infrared night vision distance :20
Power supply mode: Solar energy + built-in lithium battery
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