2.4Ghz Surveillance camera system Wireless , 4 security camera system network USB DVR Remote

2.4Ghz Surveillance camera system Wireless , 4 security camera system network USB DVR Remote Description: Specification of Reciever: Receiving Frequency: 2.4Ghz Receiving Sensitivity:-85dB Receiving distance:100m remote distance:6-8m Power adapter:DC5V/500mA size:120 x 199 x 30mm Specification of Camera: Image Device: 1/4"CMOS TV System:PAL:628(H)*582(V)/NTSC:510(H)*492(V) Horizontal Definition: 380 TVL Minimum Illumination: 0 lux(IR ON) Night vision distance: 50-100m Power