The Whistler Z-31R+ is a high-performance radar laser detector designed for speed and accuracy in detecting traffic enforcement devices. This model includes a signal strength monitor feature, allowing users to determine the reliability and strength of their detection capabilities. With exclusive detection of laser guns, the Whistler Z-31R+ ensures a reliable and efficient tool for drivers looking to accurately detect potential speed traps and traffic enforcement devices on the road. It’s still in the box but it’s open and has been tested to make sure it works
eBay