Extech LT10  

Extech LT10: Pocket Series Light Meter

Compact, One-Button Operation Light Meter

The LT10 Pocket Series Light Meter is a convenient pocket-sized meter and is easy to use and easy to stow. Keep one handy for whenever you need to take a quick light measurement. Measures light intensity up to 4000Fc/40000Lux with measuring rate of 1.5 times/second. Complete with 9V battery.