Specifications:

• APP: Tuyasmart or smart life
• Communication method: WIFI 2.4G
• Material: ABS/PC
• Name: WIFI Temperature And Humidity Sensor
• Note: NO need hub to operate
• Operating temperature: -10~+55℃, 0RH
• Origin: CN(Origin)
• Power supply mode: DC 4.5V(3 * AA batteries, not included)