CPVAN indoor motion sensor alarm 125dB
Product description
If you want a straightforward way to add audible detection to a workshop or outbuilding, the CPVAN Indoor Motion Sensor Alarm with Siren is built for exactly that kind of day to day protection. It uses PIR movement sensing, then triggers a loud alarm or a chime mode so you can be alerted when something moves in the detection zone. With battery operation and remote control, it suits places like a shed, garage, van, or shop where you want simple, practical security coverage.
This is a wireless infrared PIR detector alarm system in a black finish, designed around easy setup and quick control. Communication range is stated as up to 328ft / 100m in open place conditions, while the detection range for the infrared sensor is approximately 16 to 26ft / 5 to 8m. The alarm output is listed as 125dB and you can also use a chime mode for less disruptive alerts. It also includes an SOS button for remote operation so you can activate and deactivate the system even from outside. 🔔

Key features
The PIR technology is the core of the system. Passive infrared sensing detects movement within its detection zone, helping you stay informed and safe when an unexpected presence occurs. The unit is described as a motion sensor alarm with siren, giving you a choice between a loud alarm or a chime mode depending on how you prefer to be notified.



Because it is battery operated, installation is designed to be quick and flexible. You can mount it in the right place, then set it and live with it. The remote control makes day to day management easier, especially when the sensor is mounted where you would not want to repeatedly reach during normal routines. It can also be adjusted using a remote, so you are not limited to changes only at the main unit.
There is also a practical angle to how the system is presented for small premises. The description specifically highlights protection for a shed, garage, van, and more. That focus matters if you are looking for a cost-effective solution to deter or alert rather than a complex, hardwired system.

Tech specs
- Name: CPVAN Indoor Motion Sensor Alarm with Siren
- Type: Wireless infrared PIR motion detector alarm system
- Colour: Black
- Alarm output: 125dB adjustable
- Detection range: Approximately 16 to 26ft or 5 to 8m
- Communication range: Up to 328ft or 100m in open place
- Power: 3 AA batteries powered, batteries included, or power adaptor not included



What stands out
A key advantage here is remote control convenience. You can activate and deactivate the system from outside, which helps when the unit is mounted in an awkward spot around a garage, shed, or shop area. The remote also includes an SOS button, giving you a fast way to trigger the alarm behaviour when needed. 👍

The system supports pairing and multi-unit control in a specific way. The description notes that you can control a two-alarm unit with one remote control, and after pairing you can have two remotes control one alarm unit. At the same time, it states that you cannot expand this PIR motion sensor with each other, so it is important to plan your setup based on what you need to control.
You also get adjustable sound levels. The volume of the alarms and chimes can be adjusted via the volume keys on the main unit or via the remote control. That is useful if you want the alert to be loud enough to matter, without being needlessly overpowering for your environment. It is worth noting that the system offers an updated CP2 with chime and alarm function, so you can use either the chime mode or alarm mode depending on the situation.



For installation, the approach is described as easy. You paste the motion sensor alarm in the right place, then you can also set it by a remote, with a solid user manual provided. As with any PIR sensor, performance depends on where you position it and what moves through the detection zone, so take a moment to mount it where movement is most likely to be detected.
Who it’s for
It’s a good fit if you need basic wireless motion alert coverage for an indoor area where something moving should trigger an audible response. You may like it if you run a garage, keep a van in an outbuilding, or use a shed or shop space where you want an extra layer of awareness without complex installation. The remote operation suits households or small premises where you want quick control rather than relying on the sensor being directly accessible.
It may not suit you if you want to build a large, expandable network of PIR sensors together, because the description indicates you cannot expand this PIR motion sensor with each other. It’s also not the best choice if you only want a silent notification, since it is designed to provide a loud alarm output of 125dB and a chime mode as an alternative. If battery power is acceptable for your routine and you are happy to set the unit once and manage it remotely, this CPVAN setup is designed to be the practical option for day to day use. ✅.
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