Wireless 4CH Quad DVR 1 Cameras PAL 628x582 NTSC 510x492 with 7 800x480 TFT-LCD Monitor Home Security System PAL NTSC Built in Mic

Operating Humidity:95; Unobstructed Effective Range:200M; Languages:English; What's in the box:USB Cable,AC Adapter,AV Cable,Receiver,Camera,IP camera,User manual - English,1 Screen Protector; Effective Pixels:PAL: 628x582; NTSC: 510x492; Lens:3.6; Minimum Illumination:0.5; Storage Temperature:-40-80; Power Consumption:3; Video Input Interface:1 Channel; 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; Video Compression:H.264; Video Output:PAL,NTSC; Display Resolution:640 x 480,800x480; Record Resolution:VGA (640480); Contrast Ratio:300:1; Function:HDD Recording Function,Motion Detection; Transmitting Power:20; Built-in HDD:No; Channel Number:4 Channel; Battery Life:2,2; Shipping Weight:0.958667; Listing Date:06/14/2018; Production mode:Self-produce; Instructions:English; Popular Country:Australia,Canada,United States; Special selected products:COD