Glentronics, Inc. DFC2 PHCC Pro Series Deluxe Dual Float Controller Sounds an alarm when the power is out, the pump has accidentally been unplugged, or the circuit breaker has been tripped A light blinks continuously indicating that the controller is plugged in and operating Indicates when it is time to replace the 9-volt battery or reminds you to move the slide switch back into the ON position Sounds an alarm when the float has been raised for 10 minutes continuously A remote terminal provides connection to a home security system or remote dialer.