Thank you for viewing! (╹◡╹) * Instant purchase welcome, silent purchase late at night OK ◎ [Life Waterproof Design & Battery Notification Function] The IPX4 waterproof rating of this security alarm is safe for commuting and going to school on rainy days. It's a lightweight 28.9g compact size (88 x 30 x 20mm) that easily attaches to backpacks and bags. Uses 2 AAA batteries (※ Batteries are not included), and the LED flashes and beeps "beep beep" when the battery is low. Equipped with a battery management system linked to a 130dB loud alarm. Perfect for daily crime prevention, such as commuting to school, work, or jogging. [Latest Improvement & 130dB Loud Security Alarm] The 130dB ultra-loud sound alerts those around you in an emergency and intimidates suspicious individuals. The alarm sound is equivalent to a security alarm, making people far away aware and increasing peace of mind. Continuous operation is possible for up to 6-8 hours. Despite its compact size, it emits a powerful alarm sound, making it ideal for crime prevention when commuting to school, work, or going out at night. With a D-ring, it can be easily attached to a school bag or backpack. Suitable for a wide range of ages, including women, children, students, the elderly, and night workers. [Easy Operation & LED Light for Enhanced Crime Prevention] Simply pull out the pin to immediately activate the 130dB loud alarm, and the alarm stops when the pin is reinserted. The high-brightness LED light in the center of the buzzer can switch between 3 modes: "constant light → flashing → off" with one touch of a button. It demonstrates a double crime prevention effect with light and a 130dB loud sound, providing peace of mind when going out at night. It is practical and can be used not only in emergencies but also as everyday lighting in the dark. - - - - - - - - - - - - - - - - - - ⚠️ Please understand that cancellations and returns are not accepted after evaluation ʅ(◞‿◟)ʃ Thank you for reading to the end. Thank you very much! ＼(^o^)／ - - - - - - - - - - - - - - - - - - -h184