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! FEATURES: * 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
