Versatile Functionality

Built-in Temperature & Humidity Sensor

S400 comes with a built-in sensor to measure and monitor temperature and humidity levels.

External Temperature Sensor

The external sensor can be put on certain distance from the device to detect temperature at more specific spot.

Compact Size

With only 30 x 55 mm make this device efficient use of space, especially when the available space is limited.

Battery Powered

This device is powered with 2 x AA batteries or 2 x AAA batteries.