Feature: 1. [Sound And Light Alarm] With a 130 decibel alarm sound, when the plug is pulled out, the alarm sound will sound and the LED light will flash, scare away the criminals and remind others to pay attention to the emergency. 2. [Easy To Use] Mini personal alarm, easy to operate, when in danger, just pull the latch to start the alarm, even your children can use it, it is a good emergency gadget. 3. [Security Protection] Improve your security with the personal siren device, a small but loud and bright portable protection device that can scare attackers and alert others to emergencies. 4. [Applicable Occasion] This alarm is suitable for the elderly, women, children, and individuals when they go out alone, and can provide you with great help in emergency situations. 5. [Keychain Design] Personal alarm keychain, lightweight and portable design, easy to carry around and well protect yourself, you can easily take it to schools, airports and banks. Specification: Item Type: Emergency Alarm Material: ABS Weight: Approx. 35g / 1.2oz Product Size: Approx. 9x3x2cm / 3.5x1.2x0.8in Battery: 2 x AAA Batteries (Battery Not Included) Alarm Volume: 130 Decibels Scope of Application: Independent going out, female self protection, outdoor help, etc. Features: Horn alarm sound, LED strobe light, IP56 waterproof, all day guard LED Light: Usually press and keep on, release it to turn off (pull the latch and the LED light flashes). Package List: 1 x Alarm (Battery Not Included)1 x Manual