ITEM NAME:5PCS MAX485 RS-485 Module TTL to RS-485 module for Arduino Raspberry pi Hot MO Feature: Brand new and high quality. P roduct Features: MAX485 chip is a low power consumption for RS-485 communication, limit the slew rate transceiver Then 5.08 (mm) pitch 2P terminal, convenient RS-485 communication wiring Chip leads all pins can be controlled through the microcontroller Operating voltage: 5V Size: 46 (mm) x12(mm) QTY: 5PCS Package included: 5 x MAX485 RS-485 Module TTL to RS-485 module for Arduino Raspberry pi Note: Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding..MAX485 chip is a low power consumption for RS-485 communication, limit the slew rate transceiver. Due to the different display and different light, the picture may not reflect the actual color of the item.