Button Cap for 12x12 Push button (B3F4055)

0.36 Inch Common Anode 1 Bit Red Digital Tube

3mm LED Red light emitting diode, 5 LEDs per pack

Working current: 20 (mA)

Working voltage: 1.7V-2.1V

Lithium Battery Charger with Integrated 2A Adjustable Step Up Output Boost supply

CR2025 CR2032 3V Button Battery Holder Case Black Round

DC 4-100V Round Blue LED Digital Display Voltmeter

Handheld Digital Multimeter DT-830B

3Amp 5.5 X 2.1mm DC Panel mount Socket for Power/Charger

Mounting Hole Dia 8mm