product information and features:
How it works
- Everyone passing through the control point pushes the button
- A red light and high tone indicate that you have been selected
- A green light and a low tone indicates that you have not been selected on this occasion
- If you know you could be stopped, you won’t take the risk!
- Battery operation (3 x ‘AA’ Alkaline, supplied)*
- Clear indication of SEARCH and PASS with daylight visible lights and audible tones
- Portable or fixed installation.
- Desk mount, wall mount or hand held
- Large 2 inch pushbutton
- Search percentage ratio adjustable by internal switches
- Search settings from 0 to 100% in 0.5% steps
- Random selection is guaranteed to be totally unpredictable