Technical Specifications Length: 120 cm Measurement Range: 0–360° (4 × 90°) Accuracy at 0°/90°: ±0.05° Accuracy at 1–89°: ±0.2° Units: °, %, mm/m Power Supply: 4 × AA batteries Operating Time: Approx. 200 hours Weight: Approx. 1.3 kg Display: Illuminated, rotating display Audible Signal: Yes, at 0° and 90° Protection: IP54 Material: Aluminium Description Digital Inclinometer Bosch GIM 120 Professional is a long 120 cm digital level designed for precise measurement of angles, slopes and inclinations. It measures in degrees, percentage and mm/m, with an illuminated rotating display for easy reading in different working positions. Direction arrows and an audible signal at 0° and 90° help with quick alignment. Ideal for: Construction, carpentry, plumbing, HVAC installation, pipe alignment, flooring, roofing, cabinet installation and professional levelling work.