SM700LUX LIGHT METER W/ WATERPROOF PROBE– USER SELECT 3 RANGES. 0.00 – 1999 Lux 2000 – 19999 Lux or 20000 TO 50000 Lux – RANG SETTING THROUGH KEY BUTTONS – RESOLUTION 1 Lux / 10 Lux / 100 LuxACCURACY +/- 6% -- PEAK WAVE 560nm WITH SILICON PHOTODIODE SENSOR – 9 VOLT BATTERY...