Comes with one fully assembled and tested coin cell battery holder and a small stick of 0.1" header so you can solder it on and plug into a breadboard.
- 16.5mm x 23mm x 2mm / 0.65" x 0.9" x 0.08"
- Mounting hole distance: 10mm x 16mm / 0.4" x 0.6"
- Weight: 1.5g
1x Adafruit 12mm Coin Cell Breakout Board