1ISOLATION AND INTERFACE: Optical isolation is used between the input and output circuits, with control signals and TTL logic interfaces 2FAST AND EFFICIENT: Transistor output, possess small on voltage drop, fast switching speed. LED indicator show the working status at a glance 3CORROSION RESISTANT MATERIAL: Solid state relay adopt epoxy resin encapsulation, corrosion resistant and shockproof, support reliable operation 4APPLICABLE SCENARIO: SSR is mainly used in industrial automation, weak current isolation control, strong current isolation control and all kinds of high power DC electrical equipment. Such as DC motor, solenoid valve, electromagnetic vibrator, battery charging and discharging switch 5EASY TO INSTALL AND USE: This solid state relay is designed for easy installation and use. Simply connect your DC control signal and load, and enjoy reliable power switching 1 x Solid State Relay 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. Sold by-Dadangjia