This Draper Digital Lux Level Light Meter is compact & easy to use. It comes fitted with a 37mm backlit LCD screen that is capable of presenting results in both Lux & Foot-Candles (FC). It delivers rapid accurate readings between the range of 1-100, 000 Lux, making it ideal for environmental monitoring, health & safety checks & a host of other industrial applications. Powered by 9V PP3 battery (sold separately).