Related Clues:

• It detects woman in Rolls-Royce
• Highway patrol tool
• Measurer of a fastball's speed
• Device used to map the surface of other planets
• Device that displays blips
• Speeding detector
• Fastball-clocking device
• Altimetry aid
• It can locate things in the dark or fog, either way
• Vessel tracking device
• Speed trap equipment
• Weather-tracking tool
• Range-finding and detection system
• Aviation necessity
• Need for 7-Down