CEM DT-8855 Non-contact High Temperature Infrared Thermometer USB Interface

CEM DT-8855 Non-contact High Temperature Infrared Thermometer USB Interface
Notice:
  The standard package don't include batteries.Because,the international air shipping forbid to ship liquid,powder and batteries,we can not put them in the package box.Hope you can understand buy them in your local store or supermarket.
At the same time, please forgive us that we are unable to provide the English user manual. If you need it, please contact the customer service after purchase.
Thanks for your support!
1. Wireless USB interface (RF value 433MHz)
2. High-distance object-to-target ratio (D:S=30:1)
3. Wide range of temperature measurement range
4. New-style cabinet design
5. Built-in laser sight
6. K-type temperature probe
7. Automatically record values
8. Record of maximum, minimum, difference and average value
9. High and low temperature alarm, the display shows over
10. Adjustable emissivity (0.10~1.0)
11. ?/? temperature unit conversion and automatic shutdown function
12. Multifunctional display with backlight, data retention function
13. Trigger lock 
DT-8855 DT-8856
Laser type Single-type laser Dual laser
Response time Infrared temperature range -50?~1050?
Resolution 0.1?
Basic accuracy 1.5%
Distance ratio (D:S) 30:1
Emissivity Adjustable 0.10~1.0 (step length 0.01)
Laser class <1mW 650nm, laser class II
Spectral response 8~14µm
K-type thermocouple range -50?~1370?
K-type thermocouple resolution 0.1°C (within 200°C); 1°C (above 200°C)