Safely measure the Etekcity laser grip 1030d infrared thermometer The ideal tool for taking surface temperature measurements that can help with routine maintenance around the house. Able to measure extreme temperatures from -50°F to 1022°F, the laser grip ensures> your safety while providing accurate measurements with its 12: 1 distance to spot ratio. See the DIFFERENCE The laser grip 1030d equipped with a temperature filtering feature that makes it easy to detect drastic differences in temperature. Once you have selected a reference temperature, you can set the laser grip to read differences in increments> of0. 5°C/1°f, 3°c/5°F, and 5. 5°C/10°f–the screen will shine Red or blue to let you know if the measured surface is hotter or colder than the reference temperature. Use the filtering system to check for broken heating elements in electric stoves or ovens. Scan your living room to find its coldest areas to strategically place heaters to stay warm during the cold season. You can even use the laser grip to see if your barbecue grill is heating upper> evenly to prepare perfectly grilled masterpieces for the family to enjoy! Note: for accuracy, the distance between> the thermometer and object of measurement should be approximately> 14. 17 inches (36cm); this device should only be used inanimate> objects for surface temperature.