ITEM NAME:5V Active Low 1 Channel Relay Module Board for Arduino PIC AVR MCU DSP ARM G7P9 5V Active Low 1 Channel Relay Module Board for Arduino PIC AVR MCU DSP ARM G7P9 This relay module is 5V active low. It is a 1-channel relay interface board, which can be controlled directly by a wide range of minicontrollers such as for Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Relay output maximum contact is AC250V 10A and DC30V 10A. Standard interface can be directly connected with minicontrollers. The working status indicator light is conducive to the safe use. Widely used for all MCU control, industrial sector, PLC control, smart home control. With opto-isolator, more stable and reliable. Working voltage: 5V Channel: 1 channel Package includes:1 x 1 Channel Relay Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..This relay module is 5V active low.