NS2 Wi-Fi Temperature and Humidity Sensor
The NS2 is a direct Wi-Fi sensor that displays and reports temperature and humidity from its external probe without requiring a Hub.
NS2 Wi-Fi Temperature and Humidity Sensor
The NS2 is a direct Wi-Fi sensor that displays and reports temperature and humidity from its external probe without requiring a Hub.
Core Functions
- Shows current temperature, humidity, and device information on a 1.54-inch color LCD.
- Measures temperature and relative humidity through a waterproof external probe.
- Connects directly to 2.4 GHz Wi-Fi and uses Bluetooth LE during setup.
- Sends App push and email alerts when readings leave the configured ranges.
Product Appearance

Specifications
| Specification | Details |
|---|---|
| Model | NS2 |
| Physical Buttons | 1 |
| Display | 1.54-inch, 240 x 240 IPS LCD, non-touch |
| Wireless Protocols | Wi-Fi 2.4 GHz (802.11 b/g/n), BLE 5.0 |
| Wireless Range | Within reliable 2.4 GHz Wi-Fi router coverage; actual range varies with obstacles and interference |
| Dimensions | 2.07 x 1.72 x 0.46 in |
| Weight with Probe | 3.6 oz (103 g) |
| Probe Temperature Range | -40°F to 221°F (-40°C to 105°C) |
| Temperature Accuracy | ±0.9°F (±0.5°C) from 14°F to 185°F (-10°C to 85°C) |
| Operating Humidity | 0% to 80% RH, non-condensing |
| Humidity Accuracy | ±3% RH (typical at 25°C) |
| Built-in Buzzer | Supported on new-version hardware |
| Power Input | DC 5 V / 1 A USB adapter; adapter not included |
New-version NS2 hardware includes a built-in buzzer; previously produced NS2 hardware does not.