Autoranging light meter measures up to 2,000 Fc / 20,000 Lux. REED LM-81LX Offers This compact light meter is capable of taking Footcandle (Fc) and Lux measurements. The LM-81LX is an autoranging instrument that keeps track of minimum and maximum readings and features both a data hold function and zero adjustment button. Features Easy to operate, compact design 5-digit LCD display Autoranging User selectable Lux / Footcandle measurements Min/Max and data hold functions Zero adjustment button Over range and low battery indicators Included Light Meter Wrist Strap Battery