Technical specification
| Operating voltage range 9-15 volt DC (negative earth) |
| Current drain less than 20mA |
| After 30 seconds there is a short reminder bleep to cancel Hi-jack ( via hidden switch ) |
| Two further warningswill follow at 10 secondintervals if Hi-jack is still not cancelled |
| After one minute, the horn will begin to sound in attention grabbing bursts. |
| The engin will begin to loose power. |
| The car will safely coast to a halt with the horn blaring and the lights flashing |