Unused item. It has been opened before listing to check if it works properly. It makes a sound. The light turns on. Batteries are not included. Requires 3 LR44 batteries. Please be aware of this. Although it is an unused item, the package is damaged, so only the product will be shipped. Please be aware of this. A security alarm with an LED light function, perfect for travel and outdoor activities. - Brand: Asmix - Color: Lime Green - Features: With LED light - Model Name: TA10 - Instruction Manual: Included Thank you for viewing. Security alarm Security buzzer