Range 
Temperature: -10℃～+50℃ (+14℉ ～ +122℉)
 
Indoor Humidity: 20%RH～90%RH
Battery life: one year
Size of product: 145*80*24mm
Material: ABS
Packaging style: Blister
Packaging material: PVC

Packing details 
Qty. in carton: 50PCS
N.W.: 7.3KG
G.W.: 7.9KG
size of carton: 44*31.5*24CM

Features:

* indoor temperature display, indoor humidity display

*time  & date display

* temperature unit ℃/℉ changeable

* memory of MAX/MIN value of temperature  and  humidity

* 2 modes of time display: 12h / 24h

* everyday alarm function

* Power-supply: 1.5V (AAA ) ×2