Zer one Control Switch Relay Module, 8-Channel 5V Computer USB Intelligent Control Switch Relay Module Driver

Features: USB interface for stable connection. Using imported high performance USB control chip. Using special relay drive chip ULN2803, the relay works is more stable. Both board power socket and terminal can access to the Electricity Supply are convenient and flexible. When the power is connected, the relay can remain set even if the computer is turned off or the USB is unplugged from the computer. Support for for 32-bit/64-bit system. PCB board production. Specification: Type: Computer Control Switch Relay Module Input voltage: DC 5V Input current: > 300mA Wiring method: NC/COM/NO Relay size: about 10 x 8 x 2cm / 3.9 x 3.1 x 0.7in Package List: 1 x Relay Note: This product can maximum control AC 250V, 10A AC load and maximum DC30V 10A DC load

• STABLE CONNECTION --- The switch module adopts USB interface, it has good work performance and stable connection, you can use it with confidence.
• HIGH PERFORMANCE CHIP --- The switch module adopts imported high performance USB control chip and special relay drive chip ULN2803, so the relay works is more stable.
• EASY --- Both board power socket and terminal can access to the power supply are convenient and flexible. When the power is connected, the relay can remain set even if the computer is turned off or the USB is unplugged from the computer.
• COMPATIBILITY --- The switch module supports for for 32-bit/64-bit system.
• GUARANTEE --- If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem.