✍ RCWL-0516 is a microwave motion sensor module which used the technology from Doppler Radar, with features of high sensitivity, long distance detecting, stability, large induction angle, wide working voltage and so on.

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▼Applications
Human detection as a trigger switch
Security alarm systems

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▼Features
With Penetration detection capability, which not available from PIR sensor
Detection distance adjustable
Chipset: RCWL-9196
Working Voltage: 4.0V – 28.0V DC
Current: 30mA (Idle); 100mA(Working)
Working Distance: 5-7 Meters
Output voltage: 3.3V