Features: 100%?Brand?new?and?high?quality It?is?widely?used?in?radio?modification，?for?phone?flash，?for?XBOX360?flash，?for?GPS?，for?vehicle?detection，for?DVD?flash， hard?disk?repair?set-top?box?upgrade It?can?be?used?to?program?for?STC?MCU，for?MCU，for?Renesas?MCU，STM32?MCU，?N+-2EC?MCU Specifications: Communication?chip:?domestic?MAX3232 Port:?TX?RX?VCC?GND Working?voltage:3.3V-5.5V Size?:?32?x?30mm Weight:13?g Package?weight:23?g Package?Included: 1?x?MAX3232?RS232?to?TTL?Serial?Port?Converter?Module?DB9?Connector?MAX232 1?x?Dupont?cables(Random?color)