Self Defense Security Device Alarm Keychain With LED Light Outdoor Emergency 128dB feature: Made of high-quality ABS material, the product is waterproof, drop-resistant and reliable. Small and portable, it can be attached to a shoulder bag or backpack. With a high volume of 125-128dB, people around can hear the alarm, effectively deterring the perpetrators. Equipped with LED lights for emergency lighting. There are two ways to open, switch or button. Suitable for women, children, the elderly and people who need to work at night, such as nurses, workers. Specification: Condition: 100% brand new Material: ABS color: blue Size: 6.6 * 3.5 * 2.5 cm/2.6 * 1.4 * 1 inch Batteries: 2*"AAA" batteries Package weight: about 70g/2.5oz packing list: 1 * Alert 1 * User Manual