Features:_x000D_ 1. Securely, fast, reliable measurement. _x000D_ 2. / temperature unit conversion. Data hold function. _x000D_ 3. Backlight display selection function. Used for measuring high temperature, dangerous and difficult to access objects surface temperature. _x000D_ 4. Auto shutdown for 15 seconds non-use. _x000D_ 5. Low point display function. Widely used in refrigeration and household measuring. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Speciation: _x000D_ Measuring range: - 50 ~ 220 or - 58 ~ 423 _x000D_ Temperature measuring accuracy: 2% or 2 _x000D_ Measuring distance ratio: 2:1_x000D_ Distance coefficient ratio: 1:1_x000D_ Display resolution: 0.1 / 0.1 _x000D_ Emissivity: 0.95_x000D_ Response time and response value: 500ms&(8-14)um_x000D_ Repeatability: 1% or _x000D_ Resolution: 0.1 or 0.1 _x000D_ Battery: 2 x 1.5V button batteries(Included)_x000D_ Size: Approx. 8.1 x 1.8cm/3.2 x 0.7in(L x Maximum Dia.) _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Package list: _x000D_ 1 x Infrared Thermometer 1Securely, fast, reliable measurement. 2 / temperature unit conversion. Data hold function. 3Backlight display selection function. Used for measuring high temperature, dangerous and difficult to access objects surface temperature. 4Auto shutdown for 15 seconds non-use. 5Low point display function. Widely used in refrigeration and household measuring.