Digital display abs with dew point wet bulb auto power off 2 in 1 lcd backlight temperature humidity meter battery powered home Features:2 In 1: 2 in 1 digital humidity and temperature meter. Accurately measure any environments temperature, relative humidity (RH), dew point, wet bulb temperature,Switchable: One-step switch between C and F,Auto power off: Device will power off automatically to save battery when not in use in several minutes,LCD backlight: Adjustable LCD backlight for clearly showing data,Occasion: Suitable for home/office and car or part scope on air quality detection.Specifications:Material: ABSColor: blackSize(L x W x H):about 56.1x29.8x171.4mm/2.21x1.17x6.74inchPower supply voltage: 1.5VMeasuring range: -20 - 70Power by: 3 x AAA batteries(not included)Package included:1pc x humidity temperature meter1pc x manualNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.