Features 1、High accurate and rapid response sampling time and simple operation. 2、The digital illuminometer is a professional instrument for measuring illumination and brightness 3、Wide range of application, suitable for lighting maintenance management in schools, factories, offices, hospitals, etc. 4、Compact size, lightweight, portable, easy to carry and convenient for storage. 5、Features color LCD display screen with backlight, so you can check your readings anytime of the day. 6、With maximum/minimum/data hold function, automatic measurement, over range indication, low power indication function. Specification Condition: 100% Brand New Item Type: Light Meter Material: ABS Color: As shown in the picture Weight: Approx.136g/4.8oz Model MT-912 Measurement range 0〜200KLx/ 0〜20K fc Accuracy +/- 3％rdg +/- 8d(<10,000lx),+ /-4％rdg +/- 10d(> 10,000lx) Temperature range -20〜70℃ Temperature accuracy +/- 1.5℃ Sampling rate 2 times / second Lx resolution 0.1(<1000),1(> 1000) Temperature resolution 0.1 Operating condition -20〜60℃,10％rh〜75％RH Storage condition -20〜60℃,10％rh〜75％RH Power supply 3 x 1.5V AAA battery(Not included) Battery life Over 60 hours Package List 1 x Light Meter 1 x English Manual