1 Pull out the plug, the product will emit a 125dB alarm sound with a red LED flashing. Push the plug back and stop. 2 Loud alarm sounds and bright LED lights can draw attention and ask for help in emergency situations. 3 The side switch can control the LED light. Press it once to keep the LED light on; press it again to flashing the light; press it again to turn off the light. Therefore, it can be used as a warning signal or a contact signal. 4 With keychain, compact and portable design, it can be hung on a backpack or backpack. 5 It is suitable for women, children, elder and people who need to work at night, such as nurses, workers.

What's in the box
1 x Personal Alarm