infrared thermometer tk80 for metal

noncontact measuring.
inside laser aimer.
white backlight lcd.
d:s=12:1
auto-data hold and auto-turn off (auto turn
off after 15sec. when release the button).
a great many of emissivity symbol.
use abroad: can used for food, safety-inspect，
fire inspect, power vehicle and diesel engine,
plastic factory etc.
can select ℃/℉.
technology specifictions
resolution: 0.2℃(0.4℉)
measuring range: -25~840℃(-13~1,544℉)
response time: 0.5sec
spectral response: 6~14μm
emissivity: 0.99/0.95/0.89/0.85/0.79/0.75
battery: one 9v battery
measuring precision: -25~840℃, ±(1.5%+1℃)
　　　　　　　　　　-13~1,544℉, ±(1.5%+1℉)
ambient operating range: -10~40°c(14~104°f)
relative humidity: 10~80%rh