Synergy CR2016 3V Lithium Battery Variable Voltage Regulator You may use this device

You may use this device with an input voltage of 3

These are Carbon Film Resistor with a value of 910k ohm 1/4W and tolerance of ±5%

1 Meter leading wire

Hard Plastic Alligator connector

Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

Synergy CR2016 3V Lithium Battery Variable Voltage Regulator You may use this deviceThe Synergy CR2016 Lithium Coin Cell is a high capacity replacement battery that's commonly found in calculators, heart rate monitors, remote starters, thermometers, and other tiny electronic devices. This small size battery is made up of Lithium Manganese Dioxide chemistry that not only supplies the cell with the high voltage required for high performance devices but also has a very low self discharge rate, extending the battery's shelf life.