volume level aduustable with power ON/OFF switch.

Mini, handheld design' convenient for carrying. Easy operation(simply tap it to the mouth piece of the telephone handset and tune on the power).

applications:home ordinary phones.

cordless phones.

office telephones.

walkie talkies(wireless transceivers)

indoor/outdoor intercom phones.

situatons:single female-words off unwanted dates or solicitation.

home alone children-wards off villains.

call screen-bypasses answering undesired phone calls, reduces harassment calls.

visitor screen-filters visitors through indoor intercom and refuse undesired visitors by changing to a different person.

wives-spy on husbands.

husbands-investigates their wives. pelple-entertains friends and family members.

dimension:89mm*60mm*23mm 

weight:130grams