Pyle Handheld Lux Light Meter Photometer with 2X Per Second Sampling, LCD display & 200,000 Lux Range, Black/Red (PLMT15) Handheld lux light meter photometer w/ 2X per second sampling, LCD display & 200, 000 lux range - measurement range from 200-200, 000 lux Reading hold function - adjustable range for quick easy readings - accuracy Max 3% Repeatability: 2% - sampling rate: 2 times/sec - 5.2in (L) x 2.68in (w) x 1.02in (H) - 9V battery operated (not included) Measurement range from 200-200,000 LUX - Sampling rate: 2 times/sec Reading hold function - 5.2in (L) x 2.68in (W) x 1.02in (H) Adjustable range for quick easy readings - 9V battery operated (not included) Accuracy max 3% Repeatability: 2%