pull out the alarm on the head of a small zipper, immediately send out alarm sound of 130 dB, play the role of deterrence. Double horn sound db stronger!

specifications: 8*2.5*1.5CM

weight: 40 grams of

use: insulation sheet behind removed, can be hung in the bag of items such as mobile phone, emergency can be pulled out at the upper end of the key buckle, personal alarm can send super high decibel voice 130DB! Insert the key button to lift the alarm!

can be used for single female anti wolf alarm at night, on the way to school children's personal safety alarm, the elderly and other purposes emergency distress!