SMAKN&reg; RS232 to RS485 Db 9 Pin Interface Converter Transmitter Product Name: RS232 to RS485 Converter Size: 8.7 x 3.3 x 1.6cm / 3.4" x 1.3" x 0.6"(L*W*T) Material: Plastic & Metal; Color: Black & Green Package Content: 1 x RS232 to RS485 Converter Net Weight: 35g