No battery Included, Please install RO3 AAA 15*V2 battery at first.
Measurement Distance:1 to 15cm (within 5cm is the best): Auto-shutdown Time: About 7s ; Display Resolution:0.1C 0.1F; Operating Temperature:10-40C / 50-104F
Three Mode design; Higher than 37.4 C (99.32F) will show “HI” for red color; Lower than 10 C (50 F) will show “Lo” for green color
Operating Temperature:10-40C / 50-104F
Storage Temperature:0-50C/ 32-122F,Relative Humidity:BELOW 85%,Item Size:95 X42.5X156mm,Item Weight:110g / 3.9oz