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Timer Switch Module Adjustable Timer Module Adjustable Cycle Timer Control Relay Time Delay Switch Module 3V 3.7V 4.5v 5v 6v 7.4V Imer Relay Programmable Delay Relay Module Cycle Timer
Features: This time delay relay can be powered with low voltage minimum to 3V. Commonly- 3.7V lithium batteries 5V power banks switching power supply can be to power this board. Widely to control motors light bulbs LED belts DC motor small pumps...
$8.75 Delivery: $2.99