NEW Wireless 4CH Quad DVR 1 Cameras with 7"" TFT-LCD Monitor Home security system

Operating Humidity:95; Unobstructed Effective Range:200M; Languages:English; What's in the box:User manual - English,USB Cable,AC Adapter,AV Cable,Receiver,Camera; Effective Pixels:PAL: 628x582; NTSC: 510x492; Lens:3.6; Minimum Illumination:0.5; Storage Temperature:-40-80; Power:3; Camera Type:1/3 Inch CMOS 380 TV Line; S/N Ratio (dB):45; White Balance:Automatic; Transmission Frequency:2.4; TFT Receiver Monitor:7; Night vision camera:Yes; Built-in Speaker:Yes; Receiving Frequency:2.4G; Modulation Mode:FM; Video/Audio Output:Yes; Night Vision Range:15; TV System:NTSC,PAL; Built-in Microphone:Yes; Audio Response Frequency (kHz):0.1-3; Transmission Signal:Audio,Video; Transfer Rate:25; Cell type:Lithium; Time Display:Yes; Capacity:1200.0; Viewing Angle:92; Power Supply:DC8V / 200mA,DC 5V; Working Temperature(°C):-20-60; Display Resolution:640 x 480; Contrast Ratio:300:1; Function:HDD Recording Function,Motion Detection; Transmitting Power:20; Channel Number:4 Channel; Battery Life:2,2; Shipping Weight:1.3; Listing Date:06/14/2018; Popular Country:United States; Special selected products:COD