Multi-functional design, "-" screwdriver & silicon rubber tip are adaptd Quick, non-contact and accurate temperature taking Easy to use & carry: k/d design with rubber tip to avoid touching of heat Object Directly Battery capacity: displaying the battery capacity in square pattern Application: For remote racing car hvacr, engineering, automobile machinery, lab & Home users Response time: 1 second Emissivity: 0.95 fixed Update frequency: 1.4hz Wavelength: 5 to 14um Auto shut down: 15 seconds Operating temperature: 0~50°c (32 to 122°f) Storage temperature: -20°c to 65°c (-4 to 149°f) Power voltage: 3v Battery: lr44 x 2 Dimensions: o13.5 x 231 mm Weight: 72 g (includes batteries)