New Portable Security Door Stop Alarm Home Office Traveling Safety Wedge 125dBThis is a stainless steel cover door stop alarm，it is a effective way to deter intruders，the small size of it to save in the travel bags，briefcases， or purses wonderful for home，office and travel.Product Features100% brand new and high quality guarantee.Stainless steel cover and small size.Wedge-shaped design alarm stops intruder from opening door.Adjustable sensitivity switch prevents tampering.Powered by one 9-volt battery( Not Included).Features 3 sensitivity levels and extra-loud alarm.120 dB high-pitched continuous siren when it is activated.Easy to operate， just put it under the door.Package Includes1 x Wireless Home Travel Security System Safety Wedge Alert Door Stop Alarm.SpecificationDevice Type\tDoor Stop AlarmFeatures\t3 Sensitivity LevelsDimension\t14cm x 4.5cm x 4.0cmPower By\t1 x 9V Battery(Not Included)Weight\t110g