| Brand | Unbranded |
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Check the listing for details. AHT21B Digital Temperature Humidity Sensor Detection Module. Condition: New. Listed at 0.99 USD. The product's small size and low power consumption make it the best choice for various applications and even the most demanding applications. 1 pcs aht21b sensor. Humidity accuracy: ±2%RH(25℃). Humidity Resolution: 0.024%RH.