3 Pack Door Alarms with Delay When Left Open 130db Window Break Sliding Siren Vibration Detect Sensor for Home, Apartment Security. Keypad Intruder Burglar Entry Alert. Pool Alarm for Kids Safety

VERY IMPORTANT: Confirm compatibility with your doors/windows before purchase: Check for enough flat surface: –① Main alarm needs 2.6 × 1.9 in flat area on door/window; –② Sensor strip needs 0.6 × 1.8 in flat area on frame/edge; –③Alarm and sensor strip must be on the same horizontal level(minor height difference is OK); –④Maximum gap between them: ≤ 0.78 in (2 cm). If these conditions are not met, the alarm may not work properly.

HOW TO ARM AND DISARM? Press Button 4 when you leave. You'll have a 30-second delay to close the door and exit without triggering the alarm. When the door opens, enter your PIN CODE within the first 5 seconds (adjustable to 10 seconds if needed) to disarm the alarm. If you don't disarm it in time, it will sound for 30 seconds.

KYEPAD DOOR WINDOW ALARM: Button-operated for quick and easy use, eliminating the need for a remote control. This makes it convenient for other family members(Elderly or Children) to use and avoids the hassle of carrying multiple remotes when going out.

HOW THIS ALARM WILL BE TRIGGERED？While door/window is opened(When the alarm and sensor strip are separated more than 0.78'' (2 cm) or vibration is detected, e.g window glasses break, shatter or a door being forcibly hit.

SOUND SELECTABLE & VOLUME ADJUSTABLE: ALARM SOUND (default) is high-pitched, harsh sound, aiming to promptly deter potential intruder, burglar; CHIME SOUND is soft bell sound which can set it as Kids Safety Pool Alarm which won't scare kids but can alert you when your child opens a door and enters a restricted area where they are not allowed. VOLUME ADJUSTABLE: "H"-130db(Default ) or "L", chose according to your needs.

Cordless – Powered by 3 × LR44 Button Cell Batteries (User-Replaceable & Included) Easy Installation – Use the included double-sided adhesive pads (included) to mount the main alarm unit and sensor strip on your door or window. Follow the simple instructions in the manual.