Infrared Digital Thermometer Gun with Laser (Non Contact) Non-contact accurate temperature measuring. Built-in Laser aiming. ?/? optional White backlight liquid crystal display. Auto-data hold and auto-power off 15second after release the testing switch. Distance spot ratio: 10:1 Range: -25?~400?(-13~752?). Resolution: 1?. Accuracy: 2%2? Emissivity: preset at 0.95. Sample rate: about 0.5 seconds. Spectrum reaction: 8~14um. Power: one 9V battery Package Includes: 1x Infrared Thermometer ST350, 1x 9V Battery, 1x Blister Card, 1 x Card Reader