Description: 1. Small size, simple operation, one-button temperature measurement 2. The upper and lower limits of the temperature difference alarm can be set freely, and HT650Aall have the temperature difference alarm function 3. Color backlight design, color screen panoramic display, clear at a 4.12 point measurement area indication farewell to single 5. The product supports non-contact measurement, which greatly improves safety. Simple setting of temperature difference alarm. Specification: Display: color LCD panoramic display Power supply: 2x1.5AAA batteries (delivered without batteries) Application : measuring water temperature, measuring computer temperature, measuring ice bag temperature, steel industry, glass industry, catering industry, household, maintenance industry, etc. Infrared temperature measurement: HT650A: -30~380 (22~716); Material: ABS colour: Package Contents: 1 x Thermometer 1 x Chinese and English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.