1. Backlight selection, allowing you to see the temperature display at night. 2. Press and hold the button, the thermometer will Read the current surface 3. temperature within 0.5 seconds. 4. Help you measure the surface temperature of hot, dangerous or hard-to-reach objects safely and quickly without contact. 5.100% brand new 6. Color: as shown 7. Laser pointer, aiming at the target precisely 8. Simple one-handed operation 9. LCD with backlight 10. Laser switch 11. Low battery indication 12. LED backlight system, suitable for operating lighting in harsh conditions 13.oC /oF selection switch 14. Automatic power off after 7 seconds without any operation 15. Display hold, scan function Specification: 1. LCD color liquid crystal Screen 2. Temperature WT327B: -50C-600C 3. Temperature -50C-0C(F): *3C(+F) measurement 0'C-600C(32F-1112F): +1.5% 6o error + 1. 5'c (+2 . 7F) whichever is greater 4. Repeatability 1% rdg or 1'c whichever is greater 5. Response time 0.5s, 95% 6. The response emissivity is adjustable from 0.10-1.00 (the default is 0.95) 7. D:S12:1 8. Response wavelength: 5um-14um 9. No operation: about 7 seconds to shut down 10. Battery: 1 section. 5V Aabattery " 2 (AAA battery Low power) Low battery indicator light, the power is lower than the indicator light 2 . 5V 11. Overload indicator LCD displays Hi "/Lo" 12. "AH " TAL " is displayed on the LCD when the operating upper/lower limit is exceeded 13. Working environment temperature 0C-40C (32F-104F) 14. Storage temperature 10C-60C (14F-140F)