... 6 LED lights,nightvision.handfree indoor monitor, 7 inch TFT,clear image. intercommunication,monitoring the outdoor,unlock.. Intercommunication is available ... Brightness, chroma and ring adjustable. 3-chord melody rings for option.two cameras can connected with four monitors.(different choice ... detail: Color box,5sets in one carton.surface mounting for camera and monitor monitor dimension:228(L)×114(W)× ...