Magentic Contacts wireless intercom warning alarm

1.Simple and loudspeaker 2.security alarm system

 

 

Specifications

1.free choose the music from 36 songs

2.easy for set

3.The back magnetism type,also may be hanging  

Products using wireless magnetic-control and remote wire theft, wire range of up to km, using micro-computer technology, strong anti-jamming ability. 

features

1.feer choose the music from 36 songs

2.dimensions:doorbell unit90×55×27mm

3.The alarm volume up to 120 db4. Working voltage of 4.5 volts DC voltage

package includes

1.     1x doorbell

2.     1x doorbell transmitter

3.     1x alkaline battery

useing  application 

1.Family windows and doors security

2.Fish ponds,orchards theft

3.Prevention of farm animals lost

4.Prevent strangers from entering

Tipe:replace the batteries when the doorbell does not function

 

Magentic Contacts wireless intercom warning alarm