![Find The Needle](/theme/images/logo.png)
Sign In
![Crystal Locked Ultrasonic Motion Detector Mk1](https://images.findtheneedle.co.uk/findtheneedle/products/4698479.jpg)
Ideal for monitoring door opening or movement past a point. Uses a matched pair of transmitter/ receiver transducers operating at 40KHz to reliably detect movement 3 - 7 metres away...
For more information on Crystal Locked Ultrasonic Motion Detector Mk1 talk to QUASAR ELECTRONICS LIMITED
Enquire Now
List your company on FindTheNeedle.