Self-standing or wall-mounted.
Height: 17 inches.
Voice ("Quiet Please" in 4 languages or your own recording) and siren options. User has the option of turning sounds on or off.
Plugs into AC 120 volt electrical outlet with included UL approved transformer or can be used with 6 AA alkaline batteries (sold separately).
Delayed Alarm Function will sound when noise continues for more than 2 seconds.