The SPY ToucH' N features a measuring range from -40 to 80 °C (T), 0 to 100% RH, with accuracy of +/- 0.3 °C (from -20 to +30 °C) and +/- 0.5°C (out of the RH range). The RH measuring range is +/- 2% HR from 0 to 90% HR and+/- 3% from 90 to 100% RH (with probe). This model is capable of operating at temperatures from 0 to 50 °C and offers 0.1 °C resolution. It has 2 digital input channels (T, RH, Dry contact), 1 dry contact output and a power supply of 220 to 250 V/AC, including a backup battery for 6 hours. It features a recording interval from 10 s to 120 minutes, with a maximum memory of 40,000 measurements per channel. Additionally, it is equipped with a backlit touchscreen interface (containing all settings and data display functions), alarm function (visual, audible at relay) and has dimensions of 161x84x60 mm, with a weight of 480 g.