APC Pnoteac 140 12V DC/AC Power inverter American Power PNoteAC140 Mobile 140W Power Inverter Automatic Shutdown Protects your cars battery power from fully draining. Status Indicator LED's Dual Status Indicator - Alerts you to the unit's power status. Green indicates it's ready for use. The Red indicator signals the unit's shutdown to save your automobile battery from draining. Charge and power your devices through a single cigarette lighter receptacle.