Features 1、Accurate measurement data, high accuracy digital dual‑channel thermometer, reliable readings. 2、Convenient to use, with reading lock, low battery display function, to avoid instrument damage. 3、Powerful function, fast automatic change gears/maximum/minimum/average sampling speed. 4、Durable, high‑quality plastic material, with automatic temperature compensation, automatic shutdown function. 5、The design is safe, one-piece rear bracket, and with a shock-proof protective cover. Specification Item Type: Thermometer Material: Plastic Model: DT6802 Working Temperature: -10℃~50℃ (-14℉~122℉), humidity <80% Storage Temperature: -10℃~50℃ (-14℉~122℉), 0~70%Rh Accuracy: ±0.5% (not including sensor error) Battery Model: 1x6F22 9V battery (delivered without battery) Purpose: Temperature measuring instrument, suitable for temperature control places Package List 1 x Thermometer(Battery Not Included) 2 x Test Pen Cable 2 x Screw 1 x English Manual