Specifications(about): Model: CK-T1501 Product name: Infrared thermometer Measurement method: non-contact Measuring distance: 3-5cm1.18-1.97in Measurement range: 32 ° C-42.5 ° C (89.6 ° F-108.5 ° F) Maximum allowable tolerance: 32 ℃ -42 ℃ ± 0.2 ℃ 32 ℃ -42 ℃ ± 0.3 ℃ Display resolution: 0.1 ℃ Operating environment: 10 ° C-40 ° C (50 ° F-104 ° F) humidity ≤85% Power: DC 3v (two AA batteries) Battery tips: low battery reminder Backlight: High intensity backlight Display unit: Celsius (° C) / Fahrenheit (° F) Automatic light machine: 15 seconds Size: 14.9 * 7.7 * 4.3cm/5.87*3.03*1.69in Weight: 172g Cleaning method: 1. Surface cleaning: Wipe the dirt on the thermometer with a clean soft cloth or cotton swab by using water or others. 2.Clean the sensor and probe cavity: use a clean soft cloth or cotton swab with alcohol to gently wipe the probe cavity or the top of the sensor. Do not use the thermometer until the alcohol has completely evaporated. Tips: Before using, please read this instruction manual carefully and make sure the battery is installed. Do not immerse the thermometer in any liquid, and do not leave it in the high or low temperature ring for a long time. It is forbidden to collide, drop and mix the product with the objects that may cause the damage to the product, and it is forbidden to disassemble it by yourself. The thermometer should not be used under the sun or in water. Do not use it in a strong electromagnetic interference environment. Keep the thermometer out of the reach of children. It is recommended to practice several times to become familiar with the measurement method, and please try not to change the product factory settings. The measurement results are not a substitute of the physician diagnosis. No special maintenance is required during the use of the product, please contact the seller or manufacturer if any trouble occurs. Dispose of waste and residues of the product in accordance with local laws and regulations, which are triggered by a long time of using the product. Packing List: 1 * Digital Infrared Thermometer Notes: Please keep the inner cavity of the probe and sensor of the product clean, otherwise it will affect the measurement accuracy of the product.