1.This is an industrial USB to RS485 converter with original FT232RL And SP485EEN inside. It features embedded protection circuits such as lllgthningproof, resettable fuse, ESD protection, and TVS diode, etc. It's pretty small in size. 2.Due to its fast communication, stability, reliability, and , it is an ideal choice for industrial control equipments and/or applications with high communication requirement. 3.USB to RS485 communication. Adopt original FT232RL and SP485EEN, fast communicating, stable and reliable, better compatibility. 3 LEDs for indicating the power and transceiver status. 4.Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lllgthningproof and anti-electrostatic. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.