4 in stock

SKU: FK508 Category:


The  FK508 uses an ultrasonic field to detect a person or  object moving into range. The receiver will give an alarm signal once detection occurs. Delay ON and an adjustable delay OFF circuits on board  allow the FK508 to be used in a wide variety of applications such as security systems, automobile  position detection (such as in parking lots) , door openers plus many more.



Power Supply: 12V DC
Current:      37mA (stand by)    80 mA (working)

Delay On: 10 Sec

Delay Off: Adjustable 10 sec – 1 minute

Detection Range: 1 to 5 m.

PCB Dimensions:  66 mm X 81 mm X 20 Mm (2.6 X 3.19 X 0.8 in.)

Additional information

Weight 0.1 kg
Dimensions 17.5 × 11.5 × 3 cm