DEVMO 8 Channel DC 5V Relay Module Board, (2PACK) Electrical Equipments 8-Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch 2 PCS auspowers_batchsix attach and press firmly for

attach and press firmly for 15 seconds for a strong

DURABLE MATERIAL Premium aluminium oxide abrasive for sanding pad features good abrasion resistance

1 x white dust plug (smart watch is not included)

5mm TRS microphone jack) - Compatible with most audio devices with a 3

5 inches Double Lining of Shielding Material Enhances Signal Blocking Effectiveness Protects your personal and financial data by blocking RFID scanners & readers from detecting your cards' RFID signals

DEVMO 8 Channel DC 5V Relay Module Board, (2PACK) Electrical Equipments 8-Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch 2 PCS auspowers_batchsix attach and press firmly forDEVMO 8 Channel DC 5V Relay Module Board, (2PACK) Electrical Equipments 8 Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch DC 5V 8 Channel Relay Module Feature: Can be used as microcontroller development board module can be used as home appliance control 5 V 12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled There is a normally open and one normally closed contact A power indicator