Features: 

• Each one needs 15-20mA driver current.
• Uses two 8-channel ULN2803APG darlington arrays chip to control relay module.
• It is a 16-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.
• The 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: 16 channel
  
• Item size: 17.6 * 9 * 1.7cm / 6.93 * 3.54 * 0.67in