UT383BT Mini Light Meter UT383BT can effectively measure light intensity and display results in units of Lux or FC on screen. It can transfer measurement data through Bluetooth to UNI-T's custom mobile APP (iENV) for further analysis, storage, and export. iENV can be downloaded from Google Play, Apple Store or UNI-T's website by searching ‘iENV'. Main Features: 1. Light weight, user friendly interface 2. Low power consumption 3. MAX/MIN modes, backlight, auto power off 4. Light source calibration to increase accuracy and consistency Please note: Battery not included because the customs policy!!! Packing contents for UT383BT: 1*Digital light meter 1*Engilish user manual 1*Blister box