Sealey-VS941-Infrared-Twin-Spot-Laser-Digital-Thermometer-12-1-High-Temperature-Sealey-VS941-Detects-energy-emissions-in-the-infrared-spectrum-&-displays-the-temperature-on-an-18mm-LCD-back-lit-display-Twin-spot-laser-guides-user-to-the-unit-s-optimum-targeting-distance-when-the-two-laser-dots-merge-into-one-unit-is-reading-a-13mm-disc-of-temperature-Features-data-hold-&-auto-power-off-Temperature-can-be-shown-in-either-C-or-F-Powered-by-9V-battery-supplied-Sealey-VS941-Infrare