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 location Reverse polarity protected Mounts in a common 1-1/8 in hole Convenient temperature monitoring Temperatures range from -40AdegC to 125AdegC (-40AdegF to 250AdegF) Measures in Fahrenheit or Celsius Color: Blue Meter: Temperature Nominal Voltage: 12V DC/24V DC Resolution: 1AdegF or 1AdegC Accuracy: +-1.25% Operating Current: 10mA Switching Cycles: 10,000 Weight: 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. Brochure (pdf)