Scythe kama thermo thermometer. 2-Way power source! Elegant blue led. Illumination! Wide temperature range and short frequency for precise monitoring. Usa version is fahrenheit. Model name: kama thermo. Model number: tm02-wh. Manufacturer: scythe co., Ltd. Japan. 2-Way power source. Convenient 2-way power source can be selected by using the enclosed battery or a 4-pin power from a psu unit. Elegant blue led illumination. Elegant blue led illumination can naturally integrate into your pc environment without disturbing the surrounding atmosphere. Precise monitorind. Wide temperature range and short measurement frequency allows you the precise monitoring of the temperature. Dimensions: 1.88 X 1.11 X 0.66 Inch 47.8 X 28.3 X 16.7Mm. Product material: resin. Back-light: blue(illuminated when 4-pin power source is used). Power source: (2-way) button cell battery (type: lr44) / 4-pin power. Temperature unit fahrenheit: (usa version). Temperature range: - -4 ~ 194f (usa version). Temperature accuracy: ± 2f (usa version). Measurement frequency: every 2 second . Sensor cable length (approximate): 22.83 Inch 58cm.