Modern living room: white fluffy single chair, light-colored round side table; background: white sofa, green plants, warm lamps, minimalist and comfortable.

B0721TH Solar Indoor Thermometer Hygrometer FAQ

Why do products show reading deviations under identical conditions?

Due to different sensor material batches,there may be slight disrepancies in readings(within ±1℃ for temperature and ±5% for humidity）.

Can the battery of the device be replaced?

Some models with detachable back covers support battery replacement. However, disassembling built-in battery products is not recommended, as it may cause damage or render the device unusable.

Can the solar thermo-hygrometers work properly in low light conditions?

Products run only on light power may not function in dark environments. However, models with dual power supply (solar + battery) can operate normally in low light or night.