The Bosch GMS 120 Professional Multi-Detector is a wall scanner with magnetic measuring technology, making it ideal for DIY enthusiasts and professionals alike. This unit has a sleek blue design and an LCD display for easy readings. With a manufacturer warranty of 1 year, you can trust in the quality and reliability of this product. Measuring 8 inches in length, this plastic construction detector is a must-have for those seeking precision and accuracy in their home improvement projects.