Personal alarm with built-in battery, the alarm is extremely loud and attention-grabbing. It is easy to use and carry. You will feel much safer by owning this personal alarm and taking it with you anytime and anywhere. The keychain design allows you to attach the personal alarm to your keys, backpack, bag, purse, belt, etc., you will have a safer trip. The LED flashlight design can help you get through places where there is no light or the power suddenly goes out. How to use: 1. Pull out the contact pin from the personal alarm device, a super loud alarm will sound. 2. Put the pin back into the device to stop the alarm. 3. Press the button to turn on the LED flashlight. 4. Release the button to turn off the LED flashlight. ACTIVATE THE ALARM: Pull out the contact pin as indicated in the user manual. STOP THE ALARM: Put the contact pin back into the device. The contact pin is the on/off button. Product specification: Material: ABS and metal Volume: 130DB (approx.) Battery: LR44 x 3 (included) Note: 1. The 130 DB alarm is extremely loud, please do not place it near your ears. 2. When the alarm sound becomes low or the light dims, unscrew the screw on the back and replace the battery in the device with new batteries. 3. This personal alarm is not completely waterproof, please do not put it in the water and keep it in a dry condition as much as possible. 4. It is not a toy, please KEEP IT OUT OF REACH of children under 3 years. 5. Do not expose your hearing to this sound for an extended period of time, otherwise serious hearing loss may result.