Feature: 1. 130dB loud sound: This self-defense keychain alarm emits a loud sound to attract attention from a distance, helping to deter potential threats and alert nearby individuals in emergency situations. 2. LED design: This safety alarm keychain includes an LED light to assist visibility in low-light conditions. Ideal for night running, walking pets, traveling, hiking, camping, and other outdoor activities. 3. Portable design: Compact and lightweight, this personal safety alarm can be easily attached to a keychain, backpack, handbag, or purse. Suitable for students, seniors, children, women, and night shift workers. 4. Easy to use: The alarm activates when the safety pin is pulled out and deactivates when the pin is securely reinserted into the device. Specification: Material: ABS Size: 67x45x25mm Power supply: 3 x LR44 button batteries (included) Package included: 1 x Safety alarm Note: 1. Due to differences in monitor displays and lighting conditions, the actual color of the item may vary slightly from the images shown. 2. Please allow 1-3 cm variation due to manual measurement. (1 inch = 2.54 cm)