* Robot Vacuum Cleaner with Beeping: It could be a playful or informal name for a robotic vacuum cleaner that makes beeping sounds. Robot vacuums often beep to indicate start-up, errors, low battery, or completion of cleaning.
* Metal Detector for Sweeping: In security or bomb disposal contexts, a sweeper beeper could refer to a handheld metal detector used to "sweep" an area for metallic objects. The "beeper" part would be the sound it makes when it detects metal.
* Custom-Made Device: It could also be a custom-made or specialized device used in a specific industry or setting. Without more information about the context, it's hard to say for sure.
Could you provide more context? Knowing where you heard the term might help narrow down the possibilities. For example:
* Were you reading about household cleaning?
* Were you watching a movie or show about law enforcement or security?
* Did someone mention it in a conversation?
With more information, I might be able to give you a more accurate answer.