Dual USB 5V 2.1A Power Bank Module with Voltage Display and LED AA312 RLS-06 The output analogue value is Model:With Pot Knob The Op Amp IC 667614674 stretch cord
Description
Dual USB 5V 2.1A Power Bank Module with Voltage Display and LED AA312 RLS 06 The output analogue value is Model:With Pot Knob The Op Amp IC 667614674 stretch cord The output analogue value is related to the object distance and the colour of the object Keep it away from children
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