Blue security alarm with waterproof function, equipped with an LED light and a maximum volume of 90dB. With LED light You can alert others to danger with light as well as sound. The main unit has two buttons, so you can activate the sound and light not only by pulling the strap but also by pressing the buttons. It is a splash-proof type, so you can use it with peace of mind even if it gets wet in the rain. ◯ Recommended by the National Anti-Crime Association Federation, No. 21R267 ◯ Splash-proof type ◯ CR2032 test battery included - Color: Blue - LED light: Equipped - Strap: Included - Materials: ABS, TPR - Volume: Up to 90dB - Waterproof function: Yes Thank you for viewing.