Indoor Thermometer with Hygrometer(White)

1)3 line lf LCD display 2)Show the outdoor temperature/humidity and indoor temperature/humidity at the same time. 3)Select ℃ or ℉ anytime by pushing the buttons on the back of the instrument. 4)Recording the highest or lowest temperature/humidity value every day. 5)The instrument has one string to deduct location behind one’s back prop up the board, can hang on the wall or put on the desk 6)Max outdoor temperature sensing distance:1.5M 7)Temperature survey range: Outdoor:-50℃to 70℃ -58℉ to 158℉ Indoor:-10℃to 50℃ 14℉ to 122℉ Analyze degree:0.1℃ Accurate precision:±1℃ ±5%RH Humidity survey range :25%RH to 98%RH Analyze degree:1%RH 8)Change the battery : Use one battery (1.5VDC) of AAA Size Please change the battery according to the following steps: 1.the battery opened below the support is covered; 2.put the battery in accordance with the instructions of straight negative pole; 3.cover the battery properly to cover. The outdoor and indoor temperature/humidity survey method: 9)Press MAX key and measure the highest temperature/humidity value inside and outside the room of the environment at present. 10)Press MIX key and measure the lowest temperature/humidity value inside and outside the room of the environment at present. 11)The internal and external the highest temperature/humidity or the lowest temperature/humidity of environmental room is written down to press RESET key and remove at present, quantity is examined and will go on automatically again.