1. Super fast reponse in 0.5 seconds, and able to measure at the range of -58 - 716 degree F(-50 - 380 degree C). 2. Non contact precise measurement 3. This infrared thermometer is used for measuring the temperature of the object surface, which is applicablefor various hot, hazardous or hard-toreach objectswithout contact safely and quickly 4. Distance to Spot Size: 12:1 5. Degree C/ degree F selection 6. Accuracy: +/-1.5 degree C(+/-2.7 degree F) or +/-1.5% 7. Emissity: 0.8 or 0.95 8. Temperature display resolution: 0.1 degree C/ degree F 9. Batteries:1.5V AAA battery x 2 (Not included) 10. The unit will automatically turn off if there is no operation in 20 seconds to conserve the battery.Specification: Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 17cm * 11cm * 5cm / 6.69inch * 4.33inch * 1.97inch Qty per Carton 80 Carton Weight 14.50kgs / 31.97lb Carton Size 43cm * 44cm * 43cm / 16.93inch * 17.32inch * 16.93inch Loading Container 20GP: 327 cartons * 80 pcs = 26160 pcs40HQ: 760 cartons * 80 pcs = 60800 pcs