No. With Temp Stick you just pay for the sensor. The Unlimited data logging and 24/7 monitoring and alerts are FREE for the lifetime of the sensor.

The same sensor can simultaneously monitor temperature and humidity and alert when important trigger points have been reached.

You need multiple sensors when you have multiple remote locations. For example, to monitor your garage and your basement, you will need two sensors. Control and receive alerts from unlimited sensors under one easy-to-manage account. (All accounts are free, no fees or subscriptions)

Temp Stick is a silent alarm and monitoring device. It sends texts, email and alerts when trigger points are activated based on your settings.

No. Temp Stick is a WiFi powered sensor with free alerts and monitoring, it is not a controller for home automation or appliances.

No. The sensor runs independently of any other service you may have.

A smartphone is recommended but not required. You can receive text message alerts on any phone (even an older flip phone). Settings and history can be accessed from any web-capable device (pc, tablet or smartphone). Log in from anywhere.

Alkaline Batteries (Included)
Your Temp Stick sensor comes with two 1.5V AA alkaline batteries. Average battery life expectancy with default settings is 1+ years.

Lithium Batteries:
Recommended for extreme heat and freezer applications:
Lithium batteries perform even in the most extreme temperatures, making lithium batteries perfect for extremely cold or hot conditions where alkaline batteries typically cease to function. Use Lithium batteries (2 AA x 1.5v) at temperatures down to -40°

The sensor connects to your existing internet connection via WiFi.

Log in with your smartphone, tablet or PC. Access from anywhere, anytime.

The sensor has a range of 300-400 ft (unobstructed). Doors, walls, floors and other obstructions can impact this range. The sensor contains state-of-the-art 'safe wall' penetrating WiFi technology that is designed to work on nearly every type of safe, refrigerator, freezer, walk-in cooler etc.

Yes. The sensor connects to any open WiFi network or network you have access to, including mobile hotspots (like a Verizon JetPack).

Please note, if you plan on using an iPad or iPhone to provide a hotspot, many Apple iPad and iPhone users find these types of hotspots are unreliable and will switch off after just 1 to 90 minutes of inactivity.

If the sensor loses it's internet (WiFi) connection, it will continue to log data and automatically re-connect when the connection is available again. The Temp Stick can alert you when you lose internet connection and also when the connection has been re-established.

There are no ethernet ports on the Temp Stick sensor. A wireless internet connection (WiFi) is required.

The dimensions of a Temp Stick are 3.5" x 1.25" x 1.375"

Compare Temp^° Stick^™ to your average Twinkie.

Depending on how you are using Temp Stick, you might not need any mounting. Just place it where you need it for instant alerts and monitoring.

The sensor comes with optional velcro for easy wall mounting. The sensor is lightweight and easily attaches to many surfaces.

The sensor temperature range is between -40° to 140° F. Lithium batteries perform best in extremely cold or hot conditions where alkaline batteries typically cease to function. Lithium batteries are recommended for temperatures down to -40°.

The sensor temperature range is between -40° to 140° F.

No, the sensor is not waterproof. The sensor measures humidity (non-condensing moisture levels) from 0 to 90%.

The sensor is factory-calibrated and has excellent long term stability to within less than half a degree.

High Accuracy Temperature Sensor : ±0.4° C (max)
Temperature Operating Range Up to -40 to +140° F
Precision Relative Humidity Sensor : ± 4% RH (max), 0-80% RH
0 to 100% RH operating range.

No, the sensor is factory calibrated. But you can achieve 'calibration like' syncronization with other instruments by increasing or decreasing the 'calibration offset value' for your sensor. Example: A home thermometer reads 50° F and Temp Stick reads 51.2° F, therefore choose to display data and calculate alerts with a -1.2 degree offset.

Yes. You can export data for download as comma-separated values (CSV) files.

Yes. You can switch between the two types in your account settings.

You can configure Temp Stick to send any combination of text and/or email messages.

Alerts and notifications are sent instantly. In addition, the sensor checks-in hourly and keeps you up to date.

Yes, you may have a total of ten contacts to receive alerts and notifications under one account. Additionally, customize which contacts receive specific alerts.

Yes, the sensor sends a weekly status update.

Yes. Text and email alert messages, sent up to 10 people can contain any mix of text and sensor data you would like. Maximum message length is 140 characters.
Example: "The RV went above 80F. 6:15PM 06/07/2020"

Orders ship via USPS. Most orders ship within 24 hours and we will notify you of any delays. Call 888.263.6973 for expedited quotes. For more information on expedited shipping please contact our 24/7 customer service team at 888.263.6973 or support@tempstick.com.

Yes. We charge a flat shipping fee to Canada customers only (average rate is $25). Questions or buying multiple sensors? Call 888.263.6973.

Yes, we are happy to offer free shipping to Hawaii and Alaska customers, but keep in mind the transit times may be slightly longer.

Please call or email right away! Our packages sometimes leave same day.

We offer an unconditional 30-day money back guarantee. Simply return your Temp Stick sensor within 30 days of the purchase date by calling or emailing for your return authorization number. For your return authorization number please contact our customer service team at 888.263.6973 and we’ll be happy to assist.

The Temp Stick sensor is warrantied to be free of defects in material and workmanship for 3 years from date of purchase.