Model MAX485 Quantity 1 Color Red Material Plastic + copper Specification Onboard MAX485 chip; it is a low power consumption limited slew rate transceiver for RS-485 communication; Onboard connect 5.08mm interval 2-pin binding post convenient for RS-485 communication connection; The pins of the chip have lead to can control and operate via singlechip; Working voltage: DC 5V; Size: 46mm x 12mm Features Singlechip development Application Various electronic products and DIY projects English Manual/Spec http://m5.img.dxcdn.com/CDDriver/CD/sku.201318.rar Packing List 1 x Module