| Property | Type | Default | Description |
|---|
| backgroundAlpha | Number | 1 | Opacity of bullet background. |
| backgroundColor | Color | #DADADA | Color of bullet background. |
| balloonColor | Color | #CC0000 | Color for a roll-over balloon. |
| borderAlpha | Number | 1 | Opacity of bullet border. |
| borderColor | Color | #888888 | Bullet border color. |
| rollOverColor | Color | #CC0000 | Roll-over background color. |
| showAt | String | close | Allows placing event bullets at open/close/low/high values. |
| type | String | sign | Type of bullet. Possible values are: "flag", "sign", "pin", "triangleUp", "triangleDown", "triangleLeft", "triangleRight", "text", "arrowUp", "arrowDown". |