The ASiKS Engineering LPT Switch Module V2.0 is a "low current time switch module" with a wide range of applications.
Particularly in the field of battery-backed systems, the LPT switch can be used to control wake periods. With its low self-consumption of only 590μA, the LPT switch V2.0 enables the use of significantly higher power devices in battery-based systems.

Further information can be found in the data sheet.