Range 
Temperature: -10℃～+50℃ (+14℉ ～ +122℉)
Indoor Humidity： 20%RH～90%RH
Battery life： one year
Size of product: 91*85*20mm
Material: ABS
Packaging style: Blister
Packaging material: PVC

Packing details 
Qty. in carton: 50PCS
N.W.: 4.8KG
G.W.: 5.3KG
size of carton: 43.5*35.5*13CM

Features:

* indoor temperature display, indoor humidity display

* temperature unit ℃/℉ changeable

* memory of MAX/MIN value of temperature

*comfort  level display

* Power-supply: 1.5V (AAA ) ×1