Feature: 1. unit can be selected, with data retention function and laser target indicator ON OFF selection. 2. With backlight on off selection, the power will be automatically turned off within 7 seconds without any operation. 3. This product is used to measure the surface temperature of objects, such as hot water pipes, hot engine parts, cooking surfaces, etc. 4. There are 4 colors of red, yellow, blue and orange, you can choose what you like. 5. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: Temperature Measuring GunMaterial: ABS plastic Response Time and Wavelength: 500ms 8-14µm Temperature Range: -50to 600Accuracy: 0 600: 1.5-50 0: 3Distance to Material Ratio: 12: 1 Working Temperature: 0 50Storage Temperature: -20 60Working Humidity: 10 90 RH Emissivity: 0.95 Battery Model: 2 x 1.5V AAA (delivered without batteries) Purpose: Used for temperature measurement of various hot, dangerous, and difficult-to-reach objects. Package List: 1 x Temperature Measuring Gun 1 x User ManualWith backlight on off selection, the power will be automatically turned off within 7 seconds without any operation. unit can be selected, with data retention function and laser target indicator ON OFF selection. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. This product is used to measure the surface temperature of objects, such as hot water pipes, hot engine parts, cooking surfaces, etc. There are 4 colors of red, yellow, blue and orange, you can choose what you like.