This is a set of two anti-crime buzzers. The blue one does not have a box, but the insulation tape is still attached, so it's unclear if it has been used. 【Product Description】 Call for help in emergencies such as after school, commuting, walking at night, traveling, or camping! An anti-crime buzzer with an LED light has arrived! Press the switch on the side of the main unit to turn on the light. Pull the main unit to sound the alarm. The simple design is easy to use, so it can be used by a wide range of people, from children to adults. Total length: approx. 140mm (including key holder) Main unit: approx. H90 x W30 x D20mm 【Specifications】・Output/approx. 90dB (at a point 1m in front), ・Continuous sounding time/approx. 150 minutes ・Load capacity/3kg ・With LED light Batteries included: Uses 2 AAA batteries Individually packaged ※When using for the first time after opening, please pull out the insulation tape and confirm that the buzzer sounds before use.