... Product 1,New patent product 2.long-range passive infrared (PIR) sensor 3.110 degrees Natural Cat Chaser Product With Passive Infrared ... unit into socketand press the red button2.When the infrared PIR sensor probe to the target, the circuit will automatically start 3 ... 3 seconds, 2 seconds interval4.Its long-range passive infrared (PIR) sensor covers 30 square feet of lawn or garden, thanks to ...