• Accurate Monitoring: Measures temperature from -58℉ to 158℉ and humidity from 10%–99% RH, updating every 10 seconds for precise, real-time readings.

  • Reliable Precision: Temperature accuracy of ±2℉ and humidity accuracy of ±5% RH ensures dependable performance.

  • Compact & Convenient: Mini size fits easily in tight spaces. Perfect for home, jars, grow tents, greenhouses, gardens, cellars, fridges, closets, and more.

  • Flexible Options: Ideal for individual use or multi-room monitoring.

  • Ready to Use: Includes batteries — set up instantly right out of the box.

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  • Free shipping w/ next-business-day handling. Upgraded shipping is available, cost varies based on buyer location. Select your shipping service at checkout.
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    • We ship fast and free, safely & securely WITH TRACKING from Southern California via USPS First Class or, for shipments over 16oz., USPS Parcel/Priority Mail. We are one of THE FASTEST and MOST RELIABLE shippers on eBay. FedEx or UPS may be substituted in the case of larger packages. We will have your item in the shipping carriers' hands by the next business day, including most Saturdays or Sundays. Packages are usually received much much earlier than eBay's estimated arrival day. Tracking is available on the order page by next-business day. We do NOT Drop Ship. ALL products are on hand and in stock.
    • Please check your shipping address before purchasing. We will NOT ship to any address besides the one used at checkout. If you need to cancel an order, please do so on the order level, not by sending a message. Messages are not constantly checked, and depending on the time they are, orders may still be shipped.
    • Unless stated otherwise, packaging is not guaranteed mint and may have shelf wear. Photos are generally representative of the condition of the packaging. Please do not purchase items expecting a collector grade that has not been promised. Free shipping w/ next-day handling. Upgraded shipping is available, cost varies based on buyer location. Select your shipping service at checkout.
    • Free and easy returns for replacement or refund are accepted. All returns should be as close to the original condition and packaging as is reasonably possible and must be first inspected and assessed to see if they meet the above requirements before refunds/replacements are authorized. You can message us and receive a quick response and resolution if you have any questions before or after purchase.

    Happy shopping!

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