Operation system: lite os
support 4 users at the same time
image sensor: gc2053,1/2.9 inch 1080p progressive scan cmos sensor (100w/200w/300w optional)
lens: gc2053 integrated module
view angle: 140 (diagonal)
night vision: photosensitive filter with auto-switching
night vision: 8pcs 940nm smd ir led
night vision: ir irradiation distance: 2m to 5m
audio input: built-in 38db microphone
audio output: built-in speaker
memory maximum: 256gb (not included) or cloud storage
alarm trigger: pir detection
rated voltage: dc5v±5%
power: built-in 2600mah batteries / usb dc5v
power consumption: sleep mode: 5ma working mode: 500ma