| Type: | Automatic |
|---|---|
| Voltage: | 12v |
| Reversible Battery: | Yes |

For detailed information on adjusting the float level of the unit please see pages 6-7 of the product manual: http://s3.supplyhouse.com/product_files/SJ10-Install.pdf
Yes, there is a risk of the water supply line freezing and the water in the discharge line freezing if installed outdoors. This would damage the unit .The pump is designed for indoor use protected from freezing conditions.
Part SJ10A is the version of this back-up system that includes an alarm.