FOR SALE IS ONE (1) NEW WINDOW AND DOOR ALARM ALERT WITH SENSOR AND BATTERIES BY GREENBRIER BRAND MODEL NUMBER YL-323 ITEM NUMBER YL-323 MPN 144529 UPC# 629277045195. THIS EASY TO USE WINDOW DOOR ALARM FEATURES A EXTRA LOUD 90db PIERCING ALARM, EASY TO INSTALL IN FIVE EASY STEPS. USE THE ENCLOSED TWO SIDED STICKY TAPE (included) OR SCREW IN THE MAGNETIC SENSOR FOR A MORE PERMANENT INSTALL, SOUNDS AN EAR PIERCING 90db ALARM IF YOUR DOOR, WINDOW OR CABINET HAVE BEEN OPENED. GREAT FOR HOTEL ROOMS, TRAVEL, DORM ROOM, CHILDPROOF CABINETS, STORAGE SHED, CRAWL SPACE DOORS, CARGO TRAILER OR JUST INSTALL AROUND YOUR HOME OR GARAGE FOR INCREASED PEACE OF MIND. THIS EASY TO USE WINDOW AND DOOR ALARM PROVIDES 90 DB OF LOUD AND PIERCING SOUND WHEN ACTIVATED. YOU WILL RECEIVE ONE (1) WINDOW AND DOOR ALARM WITH SENSOR AND BATTERIES SHIPPED BY USPS FIRST CLASS MAIL..... BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK AND TEN+ YEARS EXPERIENCE. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. $2.81 USPS FIRST CLASS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY.......