Feature: 1. High Accuracy: Equipped with high accuracy sensor, high accuracy and rapid response, accuracy up to ±2.0% or ±2°C (3.6℉) 2. Laser Positioning: Laser spot aiming and positioning, quickly lock the measured range and complete temperature measurement response within one second 3. Support Remote Temperature Measurement: The object distance ratio is 12:1, which can measure smaller targets from a long distance, safe and efficient 4. Large Measuring Range: The measuring range is ‑50~500°C, which can meet a variety of application scenarios 5. Wide Application: It can be used to measure high temperature in machinery, chemical industry, heat treatment and other industries Specification: Item Type: Infrared Thermometer Model: DT-820V Material: ABS Battery: 1 x 9V 6F22 (battery not included) Uses: factory equipment, industrial temperature, food preparation, safety and fire inspection, plastic molding, asphalt, etc. Temperature Range -50~500℃(-58℉~932℉) Object Distance Ratio 12:1 Display Resolution 0.1℃(0.1℉) Emissivity 0.95 Accuracy Range -50~20℃(-58℉~68℉) ±3℃(5.4℉) 20℃~500℃(68℉~932℉) ±2.0% or ±2℃(3.6℉) Repeatability ±1℃(1.8℉) Response Time ＜1s Spectral Response 8~14um Over Range Display Display will shoue "---" Laser Aiming ＜1mW 650nm ,Laser Class II Operating Temperature 0~50℃(32~122℉) Storage Temperature -10~60℃(14~140℉) Relative Humidity 10%~90%RH to operate,＜80%RH to storage . Package List: 1 x Infrared Thermometer (battery not included)1 x Manual