at 1st i'd find what i thought would be suitable locations to mount my wireless cameras,set them up temporary,turn them on,run in,look at motitor,tv,computer,ect, 2 ck my veiws on each cam. this can get time consuming,running back n forth,not anymore,i took the portable monitor for backup cam out of my explorer,which just so happens 2 recieve the signal from my x10wireless cams,i took a 212v drill battery,2 gator clips,attached clips 2end of wires that power monitor,attached clips 2battery,now i have a totally portable handheld moniyor 2 carry with me as i set up or change views on cams. has made thins so easy,takes no time 2 have everything up running no matter where i'm setting cam up,no more climbing up n down,in n out moving cam this way n that way n u get the pic,the brand monitor is color wireless receiver by vr3,from wal mart,its bout size of a digital camera,has awsome pic,excelent range,comes with wiweless backup cam as well,under $100. another thing i did,sense i no longer need backup cam in my truck,i attached it 2 a ningia pan n tilt base,changed to a adjustable focus,wide/tele lense,i've not seen any setuo fort the amount i have in this,come close 2 quality of view this has now,has lo light that sees in color at nite as lons as there is some sort of light sourse somewhere in the area,i'm not talking bout lights 4 the cam,no ir or ,leds or anything,street lights a block away allow this cam 2 see enough light at night that in my yard it look as though its a cloudy day,everythin is as vivid as it can b. i was shocked sense when can was used 4 backup cam on my truck,it saw nothing if it was even close 2dark,suprised me that a lense change gat it such great vision in the dark,i've never seen anything like it