this sets include 1pcs AHD 4 channels SD mdvr +1pcs 7inch monitor +4camera(HX-108)+4 cables(3pcs 3M,1pcs 10M) contact: skype:dvrelite qq:1019018697 wechat/whatsapp/phone number:+8618938638188 website: www.ahdmdvr.com SD MDVR : ●Language support： Chinese, English, Russian, ●use H.264Video compression format，Hisilicon3520DV200 chip。 ●Software is powerful，MDVR chip and camera use Double Circuit Power Supply,The system is more secure and stable ●4ch video in use aviation port、CVBS video output， ●1ch audio input 、1audio output，1 CVBS output。 ●support one SD card slot （SD max support 256GB）。 ●ACC Ignition start and delay shutdown，4 ch switch alarm input(Optional Accessories)。 ● PAL and NTSC change ●Wide power input DC8-36V, adapted to automobile voltage fluctuation。 cameras: lens angle : 120 degree waterproof:IP67 night vision: full color without light