Feature: 1. 130dB: Emergency alarm has 130dB alarm sound, when unplugged, the alarm sounds and the LED light flashes, scaring off criminals and alerting others to the emergency. 2. Easy to Operate: Safety alarm is easy to operate, when in danger, just pull the pin to activate the alarm, even your children can use it, it is a good emergency gadget. 3. Improve Security: Improve your security with the emergency alarm device, a small but loud and bright portable protective device that can intimidate attackers and alert others to emergencies. 4. Applicable: 130db emergency alarm is suitable for seniors, women, children and individuals who are out alone, and can be of great help in an emergency. 5. Lightweight Design: Emergency alarm key chain, lightweight and portable design, easy to carry and guard yourself, you can easily take it to schools, airports and banks. Specification: Item Type: Emergency Alarm Material: ABS Size: Approx. 86x30x20mm / 3.39x1.18x0.79in Battery Type: 2 x AAA Batteries (Not Shipped with Batteries) Alarm Volume: 130 Decibels Scope of Application: Independent Out, Female Anti Wolf, Outdoor Distress, Etc. Features: Horn Alarm Sound, LED Flashing Lights, IP56 Level Waterproof, All Day Guarding. LED Light: Usually Press and Hold the Constant Light Release Off, (Pull the Pin While the LED Light Burst Flashing). Package List: 1 x Emergency Alarm1 x Manual Note: Please allow some error in manual measurement.