I bought a Qsee HD Security camera model QTH41 and hooked it up but wont let me view cameras and is asking for password. Bought on ebay used, but didn't come with password. Tried getting ahold of seller, but no luck. Mac address is 00-18-AE-5F-66-5A. Please help. I don't have dvr hooked to internet because I have no internet where I live. Please help