Color: Grey + orange - 2.1" LCD display - Display: 3-1/2 digit LCD - Max reading: 1999 - Range: 1~100000 LUX - Resolution: 1 Lux - Mode/Level: 2000 LUX / 20000 LUX / 100000 Lux - Accuracy: +/-4%rdg+/-0.5%f.s +/-5% +/-10 digits (over 10000 Lux) - Repeatability: +/-2% - Temperature characteristic: +/-0.1%C - Sampling rate: 2 times per second - Photo detector type: Photo Diode with filter - Overload display: Display "1" when over 2000 or 20000 level - Powered by 1 x 9V 6F22 battery (included) - Comes with Carrying pouch and Chinese/English manual - Widely used in many areas such as construction inspection photography greenhouse gardening etc