1. Operating voltage: 5V 2. On-board MAX485 chip 3. A low power consumption for the RS-485 communication 4. Slew-rate limited transceiver 5. 5.08mm pitch 2P terminal 6. Convenient RS-485 communication wiring 7. All pins of chip have been lead to can be controlled through the microcontroller 8. Board size: 44 x 14mm 9. Package included: 1 x MAX485 TTL to RS485 modul