HOUSING MATERIAL: ABS; OBJECT DISTANCE RATE: 1:12; TEMPERATURE MEASURING RANGE: -50C~+600C (-58F~+1112F); ACCURACY: +-2C/ 2%; RESOLUTION: 0.1C/F; EMISSIVITY: 0.1-1.0 ADJUSTABLE (0.95 PREINSTALL); RESPONSE TIME: 0.5S; INDUCTION WAVELENGTH: 5-14UM; MULTIPLE LASER RINGS POSITIONING LIGHT; HD COLOR LCD SCREEN DISPLAY; MAX/ MIN TEMPERATURE INDICATION; OVERLOAD INDICATION: LCD DISPLAY "HI"/ "LO" AND BEEP SOUND; EXCEED UPPER/ LOWER LIMITS OF WORK ENVIRONMENT: LCD DISPLAY "AH"/"AL"; AUTO POWER-OFF: 7S; CALIBRATION MODE; BATTERY: 2*1.5V AAA; WORKING ENVIRONMENT TEMPERATURE: 0C-40C (14F - 140F); WEIGHT: 153G ; DIMENSIONS: 90*39*150MM