5V 1 Channel SSR (Solid State Relay) Module Board for AC 240V/2A Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC 5V operating voltage, the max connected load is ac 240V/ 2A, it also has resettable fuse to protect the module With power anti-reverse function, it will not damage the module if connecting the wrong power supply With good anti-interference ability, stable performance; the triggering current is only 1Ma High-level controlled module; built in limiting resistors, it can be directly controlled by the power positive or the microcontroller i/o port Has the power indicator (red) and each channel relay status led (blue)