Check the listing for details. Franklin Sensors FS710PROProSensor 710+ Professional Stud Finder with Built-in. Color: Yellow, Condition: New. Listed at 65.77 USD. Thank you for visiting our ebay store! High Accuracy: Uses 13 sensors to give accurate readings every time;One-step operation: just press the button; when placed on wall LED lights instantly indicate studs;Deep Sensing: more sensor pad area than other scanners results in deeper scan;Triple Accuracy Technology analyzes and triangulates data from all the sensors for highest accuracy;Built-in bubble level makes this 2 tools in 1! - High Accuracy: Uses 13 sensors to give accurate readings every time - One-step operation: just press the button; when placed on wall LED lights instantly indicate studs - Deep Sensing: more sensor pad area than other scanners results in deeper scan - Triple Accuracy Technology analyzes and triangulates data from all the sensors for highest accuracy - Built-in bubble level makes this 2 tools in 1! - ProSensor 710+ Professional Stud Finder with Built-in Bubble Level and Ruler - Small - YellowFranklin Sensors FS710PROProSensor 710+ Professional Stud Finder with Built-in