Features:<br>Working voltage:DC4-28V.<br>Temperature range:-50 C ~ 120 C.<br>The display and control temperature can be set to 0.1 C.<br>Easy installation: Red wire for positive, black wire for negative.<br>Widely used in the hatching area, equipment for case, air-conditioning-system, temperature control for protection, etc.<br> <br>Specifications:<br>Material: ABS <br>Type: annular sensor/rod sensor <br>Operating voltage: 4-30V<br>Voltage measurement: 4-30V Error: 1.0V (not adjustable)<br>Temperature measurement range: -50-120 Error: 1.7 (not adjustable)<br>Working current: equal or less than 20mA<br>Temperature sensor: ring-shaped or rod-shaped NTC 3950 10K 1% sensor, length 100cm<br>Standard wire: XH-2.54-2P red and black wire (thin wire, total length 155mm)<br>Red line is connected to the positive pole of the power supply, and the black line is connected to the negative pole of the power supply<br> <br>Note:<br>Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.<br>Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br>Package includes:<br>1X Digital Thermometer