This is to announce that the supply of Alpha 500 series and EZB56/EZB510 of EZBon series complete systems (including receiver & transmitter) will be discontinued from Oct. 1, 2013. The entire Alpha 500 series and EZB56/EZB510 of EZBon series will therefore be replaced by the Alpha 600 series. The supply of Alpha 500 series and EZB56/EZB510 of EZBon series spare parts (including complete transmitters) will still be continued until further advice. Apologies for the inconvenience caused. Note!!! The Alpha 500 series and EZB56,EZB510 systems now sold in the market are all fake products.