About This

• [Volume Adjustable Door Alarm] This door alarm is used to alert you when a door or window is opened by 0-120DB alarm or ding-dong sound. It has 4 working modes, a door opening alert, doorbell functionality, and serves as an ideal wireless home security alarm system for theft prevention, home safety, garage monitoring, and business security
• [4 Working Modes Available] #1 Instant Alarm(It will alarm loudly if the door is open, and it will stop as soon as your door is closed) #2 Entry Alert (Rings“Ding dong” once as a welcome tone ) #3 Door Closing Reminder(Emits "didi"sound every 10 seconds to remind you by repeated sound until the door is closed). #4 Instruder Alarm (Alarm will last for 1 minute if your door is being open)
• [Easy to Install] This door alarm comes with double-sided adhesive and screw bag, you just need to peel off the sticker and install it on the door and door frame,or use the screw to mount on the door,remember to keep them less than 0.6in apart and on the same plane, and it will work fine.
• [Easy to Use] This door alarm system is very easy to use, you just need to press th ON/OFF button to turn on the door alarm,press the volume button to adjust the volume, press the set key choose the working mode by the "bibi" sound, after the mode is selected,it will work well,our manual have detailed instructions to guide you to use our door alarm sensors.
• Backed by our lifetime warranty, if you experience any quality issues with your SanJie Door Alarm or have concerns about its performance, feel free to contact us via Amazon at any time.

Overview

• Color : 5 Pack
• Brand : SanJie
• Power Source : Battery Powered
• Compatible Devices : Home Security System
• Battery Description : Alkaline