The Best Security Alarm as Reviewed by Experts: Top-picks & Best Deal for you

Reliable & Dependable: Guaranteed 1/3-mile long range (1760 ft; 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof motion sensors—works well in rain or snow!

Multi-functional Receiver: The included receiver also works as a clock and alarm, customize your chimes, volumes, and more!

Reliable & Expandable Sensor: The sensor is equipped with a rechargeable battery for up to 12 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!

Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use.

[100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have any questions or concerns about your purchase.

This is an upgrade door stop than others.It is more durable than others with better quality.

3 Sensitivity Levels - Low - Medium - High, with an adjustable sensitivity switch on the side.

Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 128g

You can use it as common door stopper when turn down the ON/OFF switch,hold door in open position.

No installation required. Requires one 9 volt battery(Not include).Portable and easy way to add piece of mind when traveling or working alone.

✔ Wireless Motion Sensor Alarm - Motion detectors are essential in a home security system. It can detect movement in the surrounding areas - driveways, front porch, gates, home, sheds, offices, walkways, swimming pools, etc. And trigger alert to the linked receiver. It provides an added level of security and safety to your property and loved ones.

✔ Reliable & Realistic Range - Driveway alarm are sensitive to detect motion from vehicles or people. The transmission range is up to 1000 feet (the ranges from the sensor to the receiver) and the sensors' detection range is up to 24 feet. We use newer technology components and excellent manufacturing techniques. Improving the design of the infrared detection chip and the detection angle to reduce the false alarms from the sunlight/rain/fog/snow/wind/temperature change and etc.

✔ 3 Alert Options - There are three types of alert settings：Alarm ring/door ring, LED flashlight, Alarm ring/door ring+LED flashlight. LED flashlight enables homeowners to keep an eye on movement in areas of your home. Plus, it can trigger a doorbell or alarm that can be scaring off the unwanted intruder and alert you when kids enter restricted areas.

✔ Super Easy to Install & Diy - Takes only a few minutes to set up. Outdoor motion sensor alarm systems can be mount to posts, walls, fences, and trees. Simply place your sensor/or multiple sensors (expandable up to 5 sensors) anywhere on your property and when a person, vehicle or large animal moves within 24 feet of the sensor’s angled eye, a signal will be sent to the receiver that will chime in your home just like a long-range doorbell.

✔ Excellent Quality - We stand our products 100% with a 90-day Return. And we offer an industry-leading 2-year warranty. If you have any questions or issues, feel free to reach us directly at any time!

We offer the newest version siren host from Aug,2020;different from old one is setup guide,PLEASE NOTE an important tips:have to trigger the sensors within 6 seconds during the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming;home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again.

DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind.

Complete DIY wireless house burglar alarm system kits includes a horn and three window/door sensors,two remote controls,two pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security.

Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time.

After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm system kit,please feel free to contact us in our shop,we will try our best to help you out soon;the alarm system kit can compatible with KERUI brand another type alarm hub,DIY complete alarm system as your need.

【Remote Monitoring】The door sensor can remotely monitor the opening or closing status of doors and windows in real time by connecting with Tuya APP. It is a door lock that guarantees kids safety and home security.

【Wireless Installation】The door window alarm comes with strong adhesive tape, which is easy to install. The installation distance between the magnet of the alarm system and the host should not exceed 8mm.

【Burglar Alarm Performance】Wi-Fi protocol can be added to Tuya's smart security system. The standby current is less than 10μA, the battery life is long, and the power level is displayed in the app in real time. High sensitivity, short response time and simple installation.

【Smart Configuration Mode】After the alarm sensors is powered on, the LED flashes for 3 times (initialization).Then open the Tuya app, successively click button in the upper right corner of the home page → Sensors → Contact Sensor (Wi-Fi) →enter Wi-Fi password ，and then confirm indicator rapidly blink，click Confirm, then wait for the networking to succeed.

【Size】Mainframe:3.54"*1.34", Magnet:2.30"*0.27", 1pack.If you have any questions about the use of the door alarm, you can contact us at any time.

🚨GREAT HOME ALARM : A great fit for Home, store ,condos and apartments, this (9-Piece) kit includes one base station, one motion detector, five contact sensor, two remote control. DIY installation, No contracts and no subscription fee.

🚨APP CONTROL : When important entry areas such as windows/doors are opened, or when motion is detected, get a instant push alerts on your phone and an alarm will issue a 120dB alert. The main controller hub is responsible for connecting with all of the sensors

🚨SOS CONTROL : With a free IOS/Android smartphone app, it can be easily controlled by arming, disarming, and home modes with also a simple remote control. In the event of an emergency, you can also seek help by pressing the “SOS” button to send a help signal

🚨THE EXTENSIBILITY : It supports expansion of up to 20 sensors and 5 remote controls paired with one main panel hub. If it loses power, it has backup battery to support 8 hours working. It can support rename different zone name, sensors name, and zone property name

🚨COMPATIBLE AND NETWORK : Voice control is compatible with Amazon Alexa/Echo and Google home ,Wi-Fi connection, and only works on 2. 4GHz bandwidth.( It does not support 5GHz networks)

ATTENTION-GRABBING - extremely loud 110dB alarm helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors (audible up to 600 feet (185M) away)

USER-FRIENDLY & VERSATILE - 3 adjustable settings (off/alarm/chime); chime mode is ideal to alert you when children or guests are coming and going when you are at home; alarm mode features 30-second activation delay to prevent immediate false triggering, but sounds immediately when doorknob is touched any time after the initial 30-second delay

PORTABLE - PERFECT FOR HOME & TRAVEL! - HOME: entry doors, bedroom doors, houses & apartments; TRAVEL: hotel rooms & dorm rooms

EASY INSTALLATION & WORKS DURING POWER OUTAGES - no wiring needed (requires 3xAAA batteries, not included); simply hang the alarm on the inside of your door handle - perfect travel alarm!

RELIABLE - backed by 40 years in the security industry and developed by the #1 pepper spray brand trusted by police and consumers worldwide. ISO 9001:2008 certified