Shenzhen Jinsong Development CO., Ltd is CCTV camera manufacturer &exporter specialized in security field for 10 years, with the strength of our patent CCTV cameras, like zoom camera with remote, dome camera, laser camera, speed camera, IP cameras and long view distance camera. Our cameras are exported to Asia, Europe, Africa and America.CE/FCC/RoHS certificated. Factory Production ability is 500-1000pcs every day. OEM/ODM is totally accepted. We accpet 30%TT, 100%TT, west union payment terms, L/C is ok for big order. Refund is accpeted within 7 days if blamed on products problem. Seller afford bank fee and buyer afford freight. Lead time is within 7 days after getting payment or deposit. Shipment generally will be UPS, DHL, FEDEX, TNT and 3 or 5 days to arrive. It will be much cheaper if we pay for it behalf on buyers.with 10 experienced engineers and well known equipment like Tektronix, Lida oscilloscope and high definition monitors, CCD sensors from Sony, Sharp and Panasonic, capacitors from TDK and resistors from NEC, all of our cameras are of quality assurance. 18monthes warranty will be extended to 24 monthes for regular customers. Replacement and free refix is of no problem in warranty period. Free sample is available for some items.