Check the listing for details. Portable Entry Alarm Wireless Door Window Warning System120 Decibel. Color: White/Gray, Condition: New. Listed at 12.99 USD. Damsel In Defense STEP OFF Portable Entry Alarm, 120 Decibel Sound, Suction Mechanism to hold into place, Adjustable Sensitivity, Illumination for nighttime usage. Requires 2 AA batteries (not included), unit is equipped with movement sensor(you can adjust sensitivity). Instructions on back of package. New in original package. Thank you for considering this item. Please see all pictures as they are part of the description. Ask any question you may have about this item before bidding or buying, I Do Not Accept returns at this time. But If you have have an issue with your item, please e-mail me before opening a case. I ship items within 48 hours and only after your payment has been confirmed. Visit my store for other items! Thank you!!! PO-15