I purchased this item but never used it, and it has been in storage. Although it is unused, I hope someone will understand that it is a pre-owned item. Batteries are not included. This is a security alarm equipped with a 90dB sound volume and an LED light. - Volume: 90dB - LED Light: Equipped - Size: W39 x D33 x H117mm - Weight: 58g - Batteries: Uses 2 AAA batteries - Model Number: PM138BL-1980 Thank you for looking.