"Image Device:   1/3?  CMOS
Horizontal Definition: 320 line
Minimum Illumination: 0 lux IR on
Infrared light number: 30PCS
Infrared diatance:   18-20m
Open Distance: 100-300m
Power Adapter:  DC12V/500MA
Sizemm:68*52*110"

"Receiving Frequency:   2.4Gfrequency lock,four channel,3.5? LCD
Receiving  Sensitivity: -85db
Open Distance:  100-300m
Power adapter: DC12V/1500MA
Sizemm: 145*95*25"