... : 0.1%/1C *Resolution: 1 lux *Response time: 1second *Unit: lux *Auto measure level selection *Data hold ... http://www.aliexpress.com/store/product/Light-Lux-Meter-AR813A-1-100-000lux-Free-Shipping-by ... , Mr. Andrew Qian /Sales Manager******************************************************************************************************************* Light Lux Meter AR813A,1~100,000lux;ems,dhl,tnt,ups ...