Security alarm that emits an 85dB sound just by pulling. - Volume: 85 dB - Color: Pink - Size: Diameter 24mm x Height 77mm x Width 34mm - Batteries: LR44 x 4 - Model: AV-001 - How to use: Sound is emitted just by pulling Thank you for viewing. A security alarm with a volume of 85dB, Compact in the shape of lipstick Convenient to carry. I bought it at Don Quijote before, but Since it doesn't have a strap, it seems difficult to use, so I left it unused. I opened it once to check if it works, but I haven't used it otherwise.