Shackcom Door Window Alarm, 4 Pack, 120DB Magnetic Burglar Alert Sensor with Bonus 10 Pack Batteries, Wireless Alarms – Loud Door Alarms for Kids Safety, DIY for Home Security, Office Protection

Product Description

● 120 LOUD ALARM – Shackcom door window sensors loud enough to detects entry, prevent kids and babies going out the house, protecting your home office, garage, dorm room, or apartment whether you are in or out. You can definitely hear it from another room to alert you. (audible up to 750 feet/230M away). No worry the young children could mess with it, just have it up high where they can’t reach it. Work on sliding doors, windows, drawer, fridge
● EASY INSTALLATION – Wipe the flat surface, peel off sticker, mount the alarm on door and magnetic stripe on door frame. Done!! 【NOTE: 1. Take out the plastic insulation sheet in battery compartment before use, 2. The small triangle on the side of the strip magnet is aligned with the small triangle on the side of the alarm with a spacing of less than 0.39inch(10mm), 3. Your frame and window or door must be flush, make these two components must be installed very flush with one another】
● SMART DESIGN with Two Volume Levels- The alarm and magnetic stripe are separated more than 0.39inch(10mm), it keeps going off until you close door(make them connection) or turn it off(switch to the button “OFF”). Size: 2.51″ x 1.18″ x 0.59”, no much space needed to install. It has 3 adjustable settings (on/off/set). Switch to button “SET”, soound like DI…, won’t scare your kids or pets decide to leave without your knowing. Switch to the button “ON”, beep…sound like police siren, very loud
● POWER SAVE– Battery-saver feature only uses energy when the alarm is sounding. When the window alarm isn’t in use, battery for power supply can be used for more than one year(3 * LR44 batteries included per alarm and bonus 10 batteries for backup) . You will easily know when to replace the batteries when alarm become weak, no worry about failing to work. Easy to replace the battery, just pull out the battery compartment cover. 【Recommend you check the battery every months, ensure it works good】
● Alerts you of a entry, potential break in or a window/door has been opened with loud alarm immediately. It can also be used as a doorstop alarm, pool door alarm, garage door alarm or sliding door alarm. Any reason you are not satisfaction with our alarms, please contact us directly for refund, we will reply to you within 24 hours