1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any convenient locationReverse polarity protectedMounts in a common 1-1/8 in holeConvenient temperature monitoringTemperatures range from -40°C to 125°C (-40°F to 250°F)Measures in Fahrenheit or CelsiusColor: BlueMeter: TemperatureNominal Voltage: 12V DC/24V DCResolution: 1°F or 1°CAccuracy: +-1.25%Operating Current: 10mASwitching Cycles: 10,000Weight: 0.30lb (0.14 kg)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.