brand：SiHui electronic products

origin：Zhejiang
color：mix, black, white

package：white box pack

features：

product parameters：

1. temperature testing range：-50℃-70℃

2. testing error：±1℃ (normal temperature)

3. humidity testing range：10%-99%

4. resolution ratio1%

5. humidity testing accuracy：±5℃

6. humidity sampling period10sec（1min）

7. nominal voltage：DV1.5V（2pcs LR44 button battery）

8. LED display

9. wire length 1.5m