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Lighting is only half the equation. Temperature and relative humidity drive growth rate, cloning success and flowering quality just as hard as PPFD does. This Tuya-compatible Bluetooth thermo-hygrometer measures both around the clock, shows them on its built-in LCD and logs them to your smartphone — so you stop guessing and start growing on data.

| Specification | Value |
|---|---|
| Device type | Multi-parameter thermo-hygrometer |
| Connectivity | Bluetooth 5.0 BLE + 2.4 GHz WiFi |
| Ecosystem | Tuya Smart, Smart Life, Amazon Alexa, Google Home |
| Temperature range | -9.9 °C to 60 °C |
| Humidity range | 0 % to 100 % RH |
| Accuracy | ±1 °C (temperature) / ±5 % RH (humidity) |
| Display | Integrated LCD screen |
| Calibration | None required |
| External probe | No — integrated sensor |
| Dimensions / weight | 5 × 5 × 2 cm — 50 g |
Cloning likes 75-80% RH, vegetative growth 60-70%, flowering closer to 40-50%. Continuous readings let you dial in your humidifier, extractor and circulation fans at the right moment instead of by feel.
Pair it with the Smart Life or Tuya Smart app in seconds. Scroll back through daily and weekly curves and spot the overnight humidity spike that invites mould and botrytis before it costs you a harvest.
Ships pre-calibrated with nothing to adjust. Hang it or stand it at canopy height, read the LCD, done. At 5 × 5 cm and 50 g it disappears into any tent without stealing space.
Native Amazon Alexa and Google Home support means you can wire the sensor into automations — trigger a dehumidifier or ramp the extractor the moment a threshold is crossed.
Yes. Over Bluetooth 5.0 BLE it talks straight to your phone within range of the grow room, no network needed. The 2.4 GHz WiFi path (via a Tuya gateway) is what lets you check readings when you are away from home.
It reads up to 100% RH and is designed for the damp environment of an indoor grow. Just keep it away from direct water contact and foliar spray — mount it clear of misters and humidifier outlets.
At canopy height, midway between the grow light and the plants, out of the extractor's direct airflow and out of the lamp's direct radiation. That is where the reading actually reflects what your plants experience.
Under 10 € to close the biggest blind spot in indoor growing: without reliable temperature and humidity data, even a top-tier full-spectrum LED grow light delivers below its PAR potential.
| Marque | Tuya |
|---|---|
| Type | Thermomètre hygromètre |
| Compatibilité | Tuya Smart, Smart Life, Amazon Alexa, Google Home |
| Précision | ±1°C (température), ±5% HR (humidité) |
| Affichage | LCD intégré |
| Connecté / Application | Bluetooth 5.0 BLE, WiFi 2.4 GHz |
| Étalonnage | Sans étalonnage |
| Type d'instrument | Thermo-hygromètre |
| Avec sonde externe | Non |
| Plage de température (°C) | -9.9°C à 60°C |
| Plage de mesure CO2 (ppm) | 0% à 100% HR |
| Grandeur mesurée | Multiparamètre |