Principle: Recombinase Aided Amplification is a global leader in the molecular detection technology, referred to as "RAA technology, the technology using recombinase, single binding protein(SSB), DNA polymerase, under the condition of isothermal temperature (37 ℃) for nucleic acid amplification, combined with fluorescence probe to realize real-time detection. it is a kind of accurate, convenient and rapid nucleic acid detection technology, implements 5-15 minutes to complete the test output, the sensitivity can reach 1 copy/test.