A system and method for low impact backup. The sensor includes a position sensing diode and a disk having a body defining an aperture for accepting solar light. The received data may be processed based on the configuration. The telephone keypad includes a plurality of alphanumeric input keys. The intermediate layer is displaced towards the back in the direction of the determination site in the area of the sampling site so that the carrier as well as the cover protrude beyond the intermediate layer. The module is coupled to sensor that are configured to detect characteristic pertaining to a medical substance that is included in a medical container.