◆ Adopts self-designed DSP chip, totally intelligent style ◆ Dual PIR + Cavity MW + Intelligence ◆ Doppler effects + energy analysis ◆ Multi grades sensitivity adjustable ◆ Its automatic temperature compensation strengthens its prevention to wrong alarm ◆ Motion intrusion direction can be screened casually; fit for different environment ◆ MW adopts stable cavity style with high stability and super long usage life ◆ Remarkable small animals immunity below 30kg