Long transmission distance up to 2Km by 2MP. (with two power adapters 12V2A is optional). US/EU/UK/AU power plug is optional. High Quality ,Super-Stablility, Long Work life. Equipped with high quality dual-chip enhanced CPU, with a DIP switch, it will not crash, high-bandwidth large bit stream, It is Far different with the solution with single-chip solution which is low cost and cheap price.
eBay