[Discontinued] SainSmart 4 Channel RS485 DC 12V Delay Timer Switch Adjustable Module Clock Time for Arduino

Description

SPECIFICATION

• Working voltage: 12V
• Channel: 4 channel relay interface board which can be controlled directly by a wide range of microcontrollers such as Arduino AVR PIC ARM PLC etc.
• Item size: approx. 76.94 * 89.84mm / 3.03 * 3.54 in
• Item weight: 100g / 3.53oz