[DETAIL] Mini Hygrometer Thermometer LCD Digital Room Indoor Electronic Temperature Humidity Meter Fahrenheit Celsius Meter Round Gauge Description: Functional Overview: 1. LCD display 2. The opening size is 41mm in diameter (the measurement has a small error) 3. Overall diameter 45.2mm (the measurement has a small error) 4. Humidity display 5. Humidity measurement range 10%～99% 6. Humidity display resolution 1% 7. The humidity sampling cycle is 10 seconds (1 minute) 8. Humidity measurement accuracy ±5% 9. Rated voltage DC1.5v (1 AG13 button battery) 10. Temperature measurement range -50 to 70 11. Temperature measurement accuracy ±1 degree (under normal temperature) Battery installation: Flip to the back of this product; Push open the battery cover in the direction indicated by the arrow Pi; Put two LR44 button batteries into the battery slot Specifications: Size:4.5*4.2*1.5（cm） Color:white,black Material: Acrylic LCD [ATTRIBUTES] - Battery Included: Yes - Hign-concerned Chemical: None - Electronic: Yes - Battery Included: Yes - Hign-concerned Chemical: None - Electronic: Yes - Theory: Hygrometer - Certification: CE,RoHS,UL - Model Number: Mini Round Hygrometer Thermometer - Origin: Mainland China - Style: Embedded - Display Type: DIGITAL