NineLeaf 2Sensor 2Receiver Wireless Motion Sensor Alarm

The NineLeaf 2Sensor 2Receiver wireless motion sensor alarm pairs two indoor motion sensors with two receivers, according to the model name and listing. Its selectable chimes, alarm and silent light modes suit entry alerts where audible or visual notification is useful, but batteries are not included.

At a glance

Five listed modes cover welcome chimes, doorbell sounds, alarms and silent lighting.
The listing describes 36 ringtones, four volume levels and four brightness levels.
The claimed wireless range is up to 280m in open space. Sensor detection is separately listed as 2 ~ 8m.
The receiver is described as retaining its last selected settings.

Price

£33.98Save 15%

Reference price: ~~£39.98~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Multiple modes allow an audible chime or alarm, or silent light alerts.
Two sensors and two receivers are indicated by the model and the listing's colour configuration.
Expandable pairing is claimed for up to 32 motion sensors per receiver.

Cons

Both sensors and receivers require alkaline batteries, which the listing says are not included.
The sensor is specified for indoor installation only.

Technical specifications

21 specifications

Identity
Brand	NineLeaf
Model	2Sensor 2Receiver

Power and battery
Power configuration	Battery Powered
Battery life listed	180 days
Sensor batteries	3 AAA alkaline
Receiver batteries	3 AA alkaline
Batteries included	batteries and USB-C cable not included

Detection and wireless
Maximum wireless range	280 Metres
Sensor detection range	2 ~ 8m
PIR sensor angle	100° (horizontal); 15° (vertical)
Operating frequency	433.92 MHz

Alerts and controls
Operating modes	Welcome, Doorbell, Alarm, Color Light and Lighting
Ringtones	36 ringtones
Volume	4 levels
Maximum volume	113dB
Selectable light colours	4 selectable Colors
Alarm alert duration	30-second alert delivers clear and effective notification

Dimensions and installation
Mounting type listed	Wall Mount
Sensor installation	indoor installation only
Additional sensors per receiver	up to 32 motion sensors
Remote controls per receiver	8 remotes

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the title says 32 melodies while the feature text says 36 ringtones, and the product-detail battery life of 180 days differs from the 5 to 7 months claim based on 30 activations a day. The 280m figure is an open-space wireless transmission range, not the 2 ~ 8m motion detection range. Check the selected listing for exact bundle contents and which battery-life claim applies.

Who is it for?

A good fit for

Shops or home entrances needing a selectable visitor chime and more than one receiver.
Care settings that can use a silent light alert as a supplementary movement notification.
Buyers who want adjustable audible alerts and may later pair additional compatible sensors.

Less suited to

Outdoor motion detection, as the sensor is specified for indoor installation only.
Buyers seeking a personal emergency call button or a guaranteed fall-prevention system. The listing describes motion-triggered alerts.

NineLeaf 2Sensor 2Receiver Wireless Motion Sensor Alarm · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 158 ratings

5 stars69%69%
4 stars19%19%
3 stars4%4%
2 stars5%5%
1 star3%3%

Aggregate ratings lean positive overall, with five-star ratings forming the largest group, but lower-star ratings are also present. Without comment-level feedback, they do not show which features buyers liked or what prompted criticism. Treat the rating pattern as a broad indication rather than evidence of range, reliability or suitability for care use.

Frequently asked questions

How many sensors and receivers are included?

The model is named 2Sensor 2Receiver and the listing's colour configuration says 2 Sensors 2 Receivers. The package inventory is not supplied, so confirm the selected listing before purchase.

Are batteries included?

No. The listing says the sensors use 3 AAA alkaline batteries and the receivers use 3 AA alkaline batteries, and that batteries and the USB-C cable are not included.

What does the 280m range refer to?

The listing describes up to 280m wireless range in open space. Motion detection is separately listed as 2 ~ 8m, so the two figures refer to different distances.

Can it alert without sound?

The listing describes Color Light and Lighting modes as silent, with four adjustable brightness levels.