Hosyond 4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560 industrial Since 1978 we have manufactured

Since 1978 we have manufactured the highest quality food service disposables for the market

5" Width (Pack of 5)

Made primarily of a non-conductive thermoplastic along with steel tightening screw and toggle grip

Clear Frame

5x6 Screws------30 Pieces

Hosyond 4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560 industrial Since 1978 we have manufacturedHosyond 4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560 Module parameters: Size: 71. 5mm(L)52. 7mm(W)18. 5(H)mm Single weight: 56g PCB color: blue There are 4 fixing screw holes around the board, the hole diameter is 3. 1mm, which is convenient for installation and fixing High quality relays. A common end, a normally open end, and a normally closed end. Optocoupler isolation, good anti interference.