Throw out the measuring tape and rulers, the cool new Swiss Tech Smart-Rule Xi is a multi-function ultrasonic distance measuring tool and laser targeting device that fits in the palm of your hand. Just aim this innovative gadget at something up to 50 feet away, press the button and it accurately measures the distance away in feet or meters. Not only can it determine distance, but it also has a built-in laser pointer, LED flashlight, emergency flasher, panic alarm and even a pullout ballpoint pen. It's compact design is perfect for a keychain, glove box or anywhere you need a handy distance measurement device.
Smart-Rule Xi - Ultrasonic Distance Measuring Tool