Check the listing for details. MASTECH MS6612 Pro Multi Function Luxmeter Light Meter Foot Candle Auto Range. Condition: New. Listed at 37.59 USD. Feature: Automatic and manual range switching Inquiry function for maximum and minimum values. Data hold function. Peak value measurement function. Relative value measurement function. Zero calibration function. 3 1/2 bit LCD display, with analog bar display. Fc/Lux unit conversion function. Outrange indication (When the measured value exceeds the current range, LCD will display the signal "OL" to indicate that the range is overreached). High precision. Measurement range (0.00~200000Lux). Low battery indicator. Touch tone and mute function. Auto power-off function (The machine will be powered off automatically keys are not operated for more than 10 minutes) Compact design, durable, and portable. Technical Data: 1. Temperature range: Operation:-10~50 C, max 80% HR(Non-Condensed) Storage:-10~50 C,max 80% HR (Non-Condensed) (removing batteries) 2. Sampling rate: ≥2 times/s 3. Display: 3 1/2 digits, max reading of 1999, with analog bar display 4. Sensor:silicon photoelectric diode 5. Measured spectral range:320~730nm 6. Measurement ranges: 20, 200, 2000, 20000, 200000 Lux 20, 200, 2000, 20000 FC 7. Operating environment: indoor use 8. Height: 2000m highest 9. Battery life: Approx. 200 hours 10. Power supply: 1x9V,IEC 6LR61 (not included becuase air post prohibition) 11. Dimensions (HxWxD): 190 mmX 89 mmX 42.5 mm 12. Weight:approx. 360g without batteries Unit conversion for illuminance scales 1 Fc = 10.764 lux 1 lux = 0.09290 Fc Package included: 1 x MS6612 Luxmeter 1 x pakcage bag