No. But, you have to have NODE in order for the modules to work. NODE supports high-quality motion sensing, Bluetooth connectivity, USB connectivity, and more. It can run all by itself and communicate motion-related data to your Bluetooth-enabled devices. Adding modules (additional sensor attachments) only enhances your NODE. The modules run on the power provided by NODE and communicate with your smartphone or computer using NODE's connectivity support.

For Bluetooth 4.0 Low-Energy, the following devices are compatible: iPhone 5, iPhone 4S, iPod Touch 5th Gen, iPad 3, iPad 4, iPad Mini, Macbooks. Of course, be on the lookout for some exciting announcements in the year ahead.

If you ever encounter any problems with the original product or firmware within one (1) year of shipping, we will replace your unit.

Yes, NODE's bluetooth radio is FCC and CE certified and will be able to work in either region.

Yes, each phone or computer can support simultaneous use of multiple NODEs. The only limitation is in the data rate that can be received by the phone or computer.

The current version of NODE uses Bluetooth 4.0 (BLE). Android is lagging in adopting / supporting Bluetooth 4.0 with no timeline or official statement about plans for it. Until this happens, we can't make any promises or plans to support Bluetooth 4.0 on the Android side. All of us working on the NODE wireless sensor platform realize that Android compatibility is an important requirement for our fans and users. So, we are planning to release a NODE which supports both BT4.0 and BT2.1 (Bluetooth 2.1 for Android and BT4.0 for iOS) as an iOS + Android compatible NODE. At that time, there will be an Android Open API that will allow developers to start developing apps, too.

The lights and sounds are cues to identify the status or function of NODE. For a guide as to what they mean, click here.

When a new firmware version is released, you will be notified via the NODE demo app. NODE will continue to work without the update, but because the firmware update is quick and simple, it's worth taking a few minutes to do. Click the following link to download the NODE Firmware Uploader and to read step-by-step instructions. If you have any problems, just submit a support request or email customerservice@variabletech.com http://developer.variabletech.com/firmware/index.html NOTE: The NODE Mac firmware uploader requires OSX 7.1 or higher.

Yes. The NODE modules are "hot swappable" so you can simply detach the module from the end and install a different one. NODE detects the new module and the corresponding app on your smart device becomes active.

With continuous data streaming, expect NODE to function for up to 12 hours. In standby mode, expect your battery life to last up to 30 days. Please note, in standby mode NODE has a "shake to wake" feature that allows it to be turned on with a gentle shake. This means that if you carry NODE around in your pocket or purse that you could be draining your battery. The "quiet mode" feature turns off light and sound from NODE and can indefinitely extend the life of your battery. To do this, touch the settings wheel from the NODE app and select your device. Scroll down and toggle your quite mode to ON.

We decided to hold off on that function for the first generation of CLIMA, but as we refine and improve the available modules we might add that to the line.

Because that is the temperature in your pocket. CLIMA's thermometer takes some time to acclimate to the surrounding temperature. For immediate surface temperature readings in less than a second see the THERMA module.

An altimeter indicates altitude based on a reference elevation relative to the changes in barometric pressure as you move. Since pressure changes all the time your altimeter needs to be calibrated with every use. The Aeroalti app for NODE with CLIMA auto calibrates using the power of your smart device (wifi or cellular data network required).

THERMA is an can easily measure surface temperature without touching the surface. However for legal reasons Variable Technologies, Inc. makes no claim that it should ever be used for any medical purposes at this time.

Therma can effectively read temperature at around 12-15 feet. It's important to emphasize that the area THERMA measures is shaped a lot like a cone. In other words, the farther from a surface you are, the more points in your field of measurement – and the less specific the temperature. We attached the two LED directional lights on the sensor module to help provide an approximate area that you can expect will be measured from your THERMA when in use.

Less than one second! And the infrared (IR) camera that's reading the heat signature will continually feed that data to your smart device.

CHROMA scans a color sample from any flat surface by blocking out light and using its own LED array to capture an accurate true color image. The side by side comparison feature allows the user to match a scan to a color sample at a local paint store for pinpoint accuracy.

Approximately June 1st. We have preorders that will go out first to our Kickstarter supporters. The remaining stock from our initial production run will be available from nodesensors.com for purchase on a first come, first serve basis.

At this time each gas specific OXA senses a single gas only. The individual OXA gas sensors that are available are CO, NO, NO2, SO2, and Cl2. It is possible to mount two OXAs on opposite ends of NODE for greater versatility.

LUMA can be operated either through the NODE app or manually. App Control: Open the LUMA icon from the main NODE app. Touch the ON button and slide the light bar to adjust the LED intensity. 3 light patterns are also available. Manual Control: Press the power button once to wake and quickly again to enter these available light options: Once-1 LED Power Saving Twice-2 LED Low Beam Thrice-4 LED Medium Beam 4 times-8 LED High Intensity Beam 5 times-Strobe Emergency/High Visibility Flash