Quantity   Component name
1 × Arduino Pro Mini Power LED removed
1 × Waveshare 4.2in E-Ink Display
1 × 0.7-5V to 3.3V Boost Converter
2 × 3400mAh 18650 Rechargeable Battery Cells
2 × 18650 Cell Holders
1 × Magnetic Gun Mount, Adhesive Backed
1 × SW-420 Vibration Sensor Module