Specifications and performance parameters Product name : Infrared thermometer Model : DX-186 Dimensions : 150mm X 83MM X 43MM Product Weight : 100 g (without battery) Measurement Methods : Non-contact temperature measurement Body Temperature Model : 32℃-43℃ Surface Mode : 20℃-50℃ Measure Time : 1 S Measurement accuracy : ≤±0.2℃ (Within35℃-42℃) ≤±0.3℃ (Other than35℃-42℃) Use Environment : Suitable ambient temperature : 10℃-40℃ . Memory : Records 30 temperature readings in memory mode. Sound : beep prompt (standard version) Applicable battery : 2 pcs 1.5V AAA(7#) Period of Use : 1 years Automatic Shut-Down : Automatic shutdown after no one operates after about 30 s