Hey folks i found this item it seems legit. The quality is unknown but its cheap and it has data USB logging. Apparently it can use the USB as a power source while data logging sounds like a handy feature.
Here is the deal i know nothing about these light meters so maybe some one can chime in?
http://www.benetechco.com/en/products/digital-lux-meter-gm1020.html
This Ebay dealer has it for $29 Aussie dollars so its not to bad.
http://www.ebay.com.au/itm/High-Quailty-GM1020-Digital-Light-Meter-LCD-Lux-Luminometer-Photometer-Tester-/381460507949
Digital Lux Meter GM1020
*Measurable Objects: Illuminance and temperature ,illuminance
difference,naximum and minimum.
Illuminance and temperature,imtegrating illuminance and
integrating time,and average integrating illuminance
*Photoelectric element: Silicon diode
*Thermal Probe: NTC Thermistor
*Illuminance Measuring Range:
Total measuring range: 0~200000Lux
*Lux into four ranges:
x1 0~199.9Lux
x10 200~1999.9Lux
x100 2000~19999.9Lux
x1000 20000~199999.9Lux
*Temperature measuring range: 0~40℃
*Temperature accuracy:±1.0℃
*Illuminance accuracy:
±3%rdg(below 10000Lux)
±4%rdg(above 10000Lux)
Units of illuminance and temperature:
Four combinations of units are available.lux/℃ lux/℉ FC/℃ FC/℉
LCD Display up date frequency:Twice per second
Operating Temperature/humidity:0~40℃ 10~90%RH
Storage temperature/humidity:–20~50℃ 10~90%RH
Power supply: Two AAA batteries
Battery life:10 hours(continuous operation with a USB connection)
Auto shutdown: You can set an auto shutdown timer through LuxLAB
I think the supplied software would be horrible and hard to use.