The Nano SPY TH measures temperature and relative humidity with an internal sensor. Ideal for measuring and monitoring standard climate conditions in, for example, laboratories and/or office spaces. The Nano SPY TH features 3 alarm LEDs (green, blue, red) and internal magnet for mounting in the supplied mounting bracket or metal background. The Nano operates +/- 6 years on one lithium battery and has a memory for 10,000 measurement points. Optionally available with a COFRAC (primary ISO 17025 certificate) or traceable calibration.