Features:

• This relay module is 5V active low.

• It is an 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as 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 microcontrollers. 

• Red working status indicator lights are conducive to the safe use.

• Widely used for all MCU control, industrial sector, PLC control, smart home control.

Specifications:

• Working voltage: 5V

• Channel: 4 channel

• Item size: approx. 7.1 * 5.3 * 1.7cm / 2.8 * 2.09 * 0.67in

• Item weight: 57g / 2.01oz

Package includes: 

1 * 4 Channel Relay Module