is_customized:Yes Theory:Current Sensor Usage:Temperature Sensor Model Number:Digital Temperature Sensor Type:Temperature Sensor Output:Digital Sensor Origin:Mainland China 0.28 inch LED Display:Dual Red Blue Green 0.28 " Digital Temperature Sensor DC 4-30V 5V 12V:0.28 " LED Display Digital Temperature Sensor DC4-30V DC LED Display Dual Digital Temperature Red Blue Green Digital Temperature Sensor With NTC 10K 3950 Probe Cable Description: Size: 45MM * 26MM Refresh rate: about 1S / times Supply voltage: DC 4-28V Accuracy: 1°C Measuring temperature: -20°C~ 100°C Working temperature: -40°Cto 80°C Display color: Red + Blue Sensor Type: 1M NTC waterproof metal probe Display: 0.28 LED Minimum resolution: 0.1°C Instructions for use: [1] DC power supply: This product requires access 4-28V DC power supply, the red line for positive power supply, the black wire to the negative power. The greatest feature of this product: its own reverse anti-burning circuit, avoiding the user process due to improper operation problems. Friendly reminder: must not be connected with AC 220V Oh! [2] Display Description: When the temperature sensor is removed when the digital display "- - -", the temperature is below -20°Cor above 100°C, digital also shows "- - -." [3] Acquisition normal temperature range: -20°Cto 100°C, resolution 0.1°C, accuracy of 1°C. Product Usage: (1) measuring the temperature inside and outside the car (2) measuring the temperature inside and outside the air-conditioned room (3) measuring the temperature inside and outside the refrigerator (4) temperature measurement pond (5) baby bath water temperature measurement Package List : 1 x 0.56 inch digital thermometer 2 x NTC metal waterproof temperature sensor 1 x cable