PLEASE READ THE INSTRUCTION

STEP 1: Install "Lighting calculations FREE app" (Important: without FREE version, the Pro Key does not work!) STEP 2: Now install this Pro Key to unlock all new features. STEP 3: Reboot your device after installation, does not remove the FREE app.

Lighting calculations

Calculation of total floux [PRO] Lumens to Lux Lux to Lumens Lumens to Watts Watts to Lumens Lux to Watts Watts to Lux Lumens to Candela Candela to Lumens Candela to Lux Lux to Candela Lux / Foot-Candle [PRO] Compare power [PRO] Type of lamps [PRO] Lamp fittings [PRO] Table luminous efficacy [PRO] Color temperature [PRO] Fluorescent tubes [PRO] Color codes of fluorescent tubes [PRO] Power factor correction [PRO] Lux meter [PRO] (is compatible only on devices with light sensor) Typical led characteristics [PRO] Power supply for strip led [PRO]