... firmware upgrade With Remembering function when shut down the powBody size: 118*76.5*12 mm ... 500 pcs :7 days for mass production.How to ship the goods?1.Make delivery by clients suggestion.2 ... .Make the delivery by our account : DHL, UPS and TNT or other express accountHow to order?3 ... .Contact with our sales , list us the quantity,capacity,package, the detail address ...