TECKNET 125dB Loud Indoor Motion Sensor Alarm with 328ft Remote Control (40ft PIR Detector, Batteries)
Quick take
This compact TECKNET indoor motion sensor alarm is designed to warn you and deter unwanted movement using a loud 125dB siren, strobe light, and PIR detection. It works in two modes (doorbell-style alerts and a continuous alarm window), with a 328ft remote that lets you arm, disarm, switch modes, and trigger an SOS alarm from a distance. The biggest caveat is that it is not a smart-home device and its detection reach is limited, so it is best for small, targeted areas rather than whole-home coverage.
Pros and cons
Pros
- Very loud deterrent: 125dB siren plus strobe light when triggered.
- Flexible operation: two modes, doorbell-style alerts and alarm mode.
- Remote control included: 328ft remote supports arming, disarming, mode switching, and an SOS button.
- Adjustable sensing: 120° detection angle and 360° rotation helps you aim the sensor.
Cons
- Not smart-home compatible: no app integrations or automation features.
- Detection is limited: PIR detection range is listed around 16–26 feet (so it is not ideal for large areas).
- Alarm timing limitation: in alarm mode it sounds continuously for a set period after being triggered.
What buyers think
Buyer-review evidence for this model centers on a few consistent themes. Many buyers highlight how loud the alarm is, and that it is easy to notice from other parts of a home. Several also mention quick activation when motion is detected near a window or doorway, making it feel useful for everyday “just in case” protection.
Overall, buyer-review evidence is still limited in quantity, but the recurring pattern is that it performs as a basic alert and deterrent device rather than a sophisticated security system.
How it works, and what you are actually buying
This is a battery-powered indoor motion sensor alarm with an included receiver and a wireless infrared motion sensor (PIR-based). When it detects motion in its intended coverage area, it can either alert you in a doorbell mode (with adjustable volume) or trigger a more forceful alarm mode using a loud siren and strobe light.
Two modes: doorbell alerts vs deterrent alarm
In doorbell mode, the system is meant for visitor alerts. You can adjust the motion alarm doorbell volume in the 80dB–100dB–125dB range, so you can choose a level that warns without always sounding at full volume.
In alarm mode, it is built for deterrence. Once triggered, it sounds continuously for a set duration (2 minutes) and includes strobe light for visual emphasis.
Remote control, including an SOS button
The included remote is one of the main usability wins. It supports arming, disarming, alarming, and switching between modes. There is also an emergency SOS button that triggers the host unit immediately when pressed within the remote’s operational range (listed as less than 328ft).
Key specs that matter for everyday use
- Sound output: 125dB siren, plus strobe light in alarm mode.
- PIR detection: infrared detection range listed as 16–26 feet with a 120° detection angle.
- Aiming: sensor can rotate 360° so you can target a specific area (like a window, hallway section, or van entry zone).
- Power: battery powered using 3 AAA batteries (alkaline battery type listed).
- Mounting: wall mount, with installation supported via provided sticker or screws.
- Smart-home: not smart-home compatible.
Pros and cons for real buyers
When this motion alarm is a good fit
- You want a simple indoor deterrent for places like a garage entrance area, a van interior perimeter, stairs, or a kitchen entry point.
- You prefer a remote-control workflow for arming, disarming, and triggering alerts quickly.
- You need the alarm to be audible at distance, and you are comfortable with the possibility of a very loud siren.
- You plan to protect a small, targeted zone where motion detection can be aimed precisely.
Who should look elsewhere
- You want smart-home automation, app notifications, or integration with existing platforms. This model is not smart-home compatible.
- You need wide-area detection for an entire house. The stated PIR range and angle suggest short-to-medium indoor coverage.
- You need a long or continuous monitoring alert system. In alarm mode, the siren runs continuously only for a short set window after trigger.
Setup and placement tips
To get useful detection, place the unit so that the sensor head can be aimed at the path an intruder (or animal) would take. The 360° rotation and 120° detection angle are designed for this, and most buyers seem to appreciate that it can be positioned near a vulnerable opening, like a window or entry point.
If you are using doorbell mode, consider starting with a moderate volume setting first. With a 125dB-capable siren on the table, you want the alert level that fits your household and neighbors.
Battery power and portability considerations
This unit is powered by AAA batteries, and that makes it easier to move between locations such as a garage, shop, campsite, or a van. The practical tradeoff with battery-powered alarms is that you will eventually need to replace batteries to maintain responsiveness, especially if you frequently trigger the siren.
Is the TECKNET 125dB indoor motion sensor alarm worth it?
It is worth considering if you want a basic indoor motion detector alarm that is loud, has remote control, and can be aimed at a specific area for extra peace of mind. It is less of a fit if you need a smart-home device, broader whole-home coverage, or an alarm system designed for long-duration monitoring beyond its set trigger window.
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FAQ
How far away can I use the remote?
The remote is listed with an operational range of up to 328ft (pressing SOS within that range triggers the host unit immediately).
What is the detection range for the PIR motion sensor?
The infrared detection range is listed as 16–26 feet, with a 120° detection angle.
Does it support doorbell mode and alarm mode?
Yes. It has two modes: doorbell mode for visitor-style alerts and alarm mode for a more forceful deterrent response.
How loud is the siren?
The alarm siren is rated up to 125dB, and it also includes a strobe light when triggered in alarm mode.
Is this motion sensor compatible with smart home systems?
No, it is not smart-home compatible.
How long does the alarm sound after it is triggered?
In alarm mode, the unit sounds continuously for 2 minutes once triggered.
Specifications
| Product Title | TECKNET 125dB Loud Indoor Motion Sensor Alarm with 328ft Remote Control (40ft PIR Detector, Batteries), Wireless Infrared Motion Sensor, Security Motion Detector with Siren for Home Garage Van |
|---|---|
| Category | Electronics > Security & Surveillance > Motion Detectors |
| Brand | TECKNET |
| Manufacturer | TECKNET |
| Model Number | TK-HA001 |
| Color | White |
| Item Weight | 0.35 Pounds |
| Power Source | Battery Powered |
| Maximum Range | 30 Feet |
| Mounting Type | Wall Mount |
| Battery Description | Alkaline |
| Number of Batteries | 3 AAA batteries required. |
| Antenna Location | Garage, Garden, Terrace |
| Smart Home Compatibility | Not Smart Home Compatible |
| Item Dimensions D x W x H | 2.4"D x 2.4"W x 3"H |
| Mfr Part Number | HHA01001WA01 |
| Built-In Media | 1 receiver |
| Unit Count | 1.0 Count |
Available variants
Color
- White
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