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. Coin cell battery is not included.
- Dimensions: 23.5mm x 28mm x 1.6mm / 0.9" x 1.1" x 0.06"
- Mounting hole distance: 18mm x 22mm / 0.7" x 0.9"
- Weight: 3g
1x Adafruit 20mm Coin Cell Breakout Board (CR2032)