TempPro TP359W Bluetooth Indoor Hygrometer Thermometer - 260FT, Swiss Sensor, Black

Best For:

For the wine collector, instrument owner, or serious plant grower who needs tighter climate control: The Swiss-made Sensirion sensor provides ±0.9°F and ±2% RH accuracy in its main operating range, helping you respond to small changes before they affect sensitive collections or growing conditions.

For the detail-oriented homeowner who wants both an at-a-glance display and phone-based monitoring: The 3.5-inch backlit LCD shows current readings and high/low records on the device, while Bluetooth trend graphs and custom alerts add context without forcing every check through a phone.

For the nursery, greenhouse, cellar, bathroom, or living-space owner who wants smart monitoring without Wi-Fi: Bluetooth 5.0 reaches up to 260 feet in open conditions, requires no cloud account, and continues monitoring locally whenever your phone is within range.

Not Ideal For:

For users who want the smallest and lowest-cost Bluetooth sensor for tight spaces: Choose the TP357. Its compact body and lower price are better suited to a humidor, reptile enclosure, wine shelf, cabinet, or other space where a large backlit display is unnecessary.

For users who want the room clock and date visible beside temperature and humidity: Choose the TP358. It belongs to the same Bluetooth indoor thermometer category and adds a built-in clock and date display while retaining App trends, alerts, and a 260FT Bluetooth range.

Register & Triple Your Warranty: register the TP359W online to extend coverage from 1 year to 3 years, free.

Swiss-Made Sensirion Precision: accurate to ±0.9°F from 32°F to 140°F and ±2% RH from 20% to 80% RH for dependable monitoring of sensitive indoor spaces.

260FT Bluetooth 5.0 Monitoring: check current temperature and humidity from another room or across the home within open-range Bluetooth conditions.

Large 3.5-Inch Backlit Display: a soft-yellow backlight and large LCD make readings easier to check in bedrooms, cellars, greenhouses, and low-light rooms.

High/Low Records on the Device: review temperature and humidity extremes directly on the TP359W without opening the App.

Custom App Alerts: set preferred temperature and humidity limits and receive a phone notification when conditions move outside the selected range.

Long-Term Trend Graphs: review environmental patterns over time to understand seasonal shifts, HVAC cycles, overnight dryness, or recurring humidity spikes.

10-Second Refresh: frequent updates reveal changing conditions quickly enough for nurseries, bathrooms, greenhouses, and climate-sensitive storage.

No Wi-Fi or Account Required: pair directly through Bluetooth for faster setup and local monitoring without a cloud account.

White Color: White is the confirmed color; the W suffix identifies the retail-channel edition rather than serving as a universal color code.

Brand Note: ThermoPro is now TempPro — same trusted quality, same performance.(You may receive either branded packaging.)

Temperature Range: -4.0 to 140.0℉(-20.0 to 60.0℃)

Temperature Accuracy:

• From 32 to 140℉(0 to 60℃): ±0.9℉(±0.5℃)
• Otherwise: ±1.8℉(±1.0℃)

Humidity Range: 10%~99%

Humidity Accuracy:

• From 20% to 80%: ±2%
• Otherwise: ±3%

Sensor Type: NTC

Refresh Rate: 10 seconds

Transmission Range*: 260ft（80m）

Wireless Technology: Bluetooth 5.0

Display:

• LCD
• Length x  Width inches (61.5 L x 63 W mm)

Backlight: Yes

Unit Size:   Length x  Width x  Height inches (82.0 L x 104.0 W x 22.5 H mm)

Power: 3.0V (2 x AAA Batteries)

* The stated transmission range is based on tests at an ambient temperature of 77°F or 25°C without any obstructions or electromagnetic interference. Your range can vary depending on the number of obstructions and electromagnetic in your environment.