PEAKMETER PM6508 Digital Temperature Humidity meter

Features --Bright LCD screen with backlight displays both in analog bar and digital number. Very easy to read. --Data hold and Max./Min. value hold function. --Auto power off and low battery indicating protection. --Display wet bulb temperature or dew-point temperature --Relative humidity measurement unit --MEM,RAM position number Specifications  SPECIFICATIONS RANGE Resolution ACCURACY Ambient temperature -20℃～0℃(-4℉～32℉) 0.1℃/℉ ±1.5℃ 0℃～45℃(32℉～113℉) 0.1℃/℉ ±0.5℃ 45℃～60℃(113℉～140℉) 0.1℃/℉ ±1.5℃ Relative Humidity 0%～20% 0.10% ±4.0% 20%～80% 0.10% ±3.0% 80%～100% 0.10% ±4.0% Wet Bulb Temperature -20℃～0℃(-4℉～32℉) 0.1℃/℉ ±1.5℃ 0℃～45℃(32℉～113℉) 0.1℃/℉ ±0.5℃ 45℃～60℃(113℉～140℉) 0.1℃/℉ ±1.5℃ Dew Point Temperature -50℃～0℃(-58℉～32℉) 0.1℃/℉ ±1.5℃ 0℃～45℃(32℉～113℉) 0.1℃/℉ ±0.5℃ 45℃～60℃(113℉～140℉) 0.1℃/℉ ±1.5℃ FEATURE Data logging and Recall 100 groups Data Hold √ ℃/℉ selection √ Backlight √ MAX/MIN √ GENERAL Power Supply AAA 1.5V×4 Battery Weight