Alpha® T 20 Dog Collar

Standard battery pack (included):

- Up to 68 hours using dynamic update rate (default mode)
- Up to 25 hours with 2.5 second update rate
- Up to 84 hours with 2 minute update rate

Extended battery pack (sold separately):

- Up to 136 hours using dynamic update rate (default mode)
- Up to 50 hours with 2.5 second update rate
- Up to 168 hours with 2 minute update rate