Feamos MINI 5A DC5-24V PIR Infrared Motion Sensor Detector LED Strip Automatic Switch PIR (Passive infrared) Motion sensor is pyroelectric device can detect human movement by detecting infrared ray emitted by human body Operating voltage is 5~24VDC, and output voltage is equal to input voltage High sensitivity, easy for installing Widely used on the Motion-activated lighting, LED strips security system, automatic sensory device and more