Safety alarm with a reassuring 90 dB sound level, water-resistant, and comes with a strap. - Volume: 90 dB - Water resistance: Splashproof (IPX4) - Included: AAA batteries - Strap length: 75 cm Color: Blue Brand: Debika Battery description: AAA Number of batteries: 1 AAA battery (included) Noise level: 90 decibels This safety alarm has a pin stopper to prevent the pin from getting lost. The powerful 90dB alarm sound alerts those nearby to danger. It has a 75cm long strap with a safety joint that detaches when pulled. It is splashproof, so you can use it with peace of mind on your commute or outings, even on rainy days. [Color] Blue [Size] M38 x D30 x H63mm (excluding strap) [Weight] 55g [Alarm volume] 90dB [Batteries used] 1 AAA battery (※Batteries for testing included) Thank you for viewing.