The PYXIS GPS Beacon works with all versions of the PYXIS portable receiver. It is delivered as a separate product with a unique ID number assigned for configuration in your PYXIS receiver. Powered by Li-po 1S 3.7 volts (recommended battery capacity of at least 160 mAh) or from the Sidus G2 timer of all modifications. Additionally, the product package includes: 1. 160 mAh 20C LiPo with a connector-one piece; 2. a spare cable 15 cm long with a connector (for connecting the beacon to another power source) - 1 piece.