Display Backlighting Type:Adjustable illumination (10 steps) Display Type:Digital/Analogue/Bar Other Environmental Rating:IP66 (3) Humidity Range [rh]:95% (max 30d/year) rh Compass Safe Distance [mm]:400 Technical/Environmental Construction ASA/PC Luran S Operating Temperature:-15°C to +70°C Operating Temperature Stored:-40°C to +80°C Product Width:172 mm 6.8 in Product Depth:172 mm 6.8 in Power Power Consumption:<5W> Power Supply (Supply Voltage):12–24 vDC