motion sensor alarm
Worth a lookShows a sweet-spot price point ($30.94 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$30.94avg listing price — sweet spot $15–$100
Price range
Great$9.86–$97.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great36%top-5 click share — an open shelf
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good64%top-5 brand share — brands hold most of the demand
Growth
Okay+17.7%90-day search growth — must beat 0% to launch
Returns
Okay3.6%return rate — above 5% kills the launch gate
Review moat
Okay2,744.62avg incumbent reviews — the moat a new listing must climb
Market size
Okay$136K$136K/yr · 194K searches
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, motion sensor alarm is a $136K/yr Amazon United States market (194K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
motion sensor alarm market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $124K–$155K
- units × avg price
- Conversion rate
- 2.3%
- Avg BSR
- #45
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 96%
- Out of stock
- 4.8%
- Avg brand age
- 48 months
- Avg seller age
- 174 days
Competition & brand share
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.Brands
24 falling
Sellers
39
Top-5 brand share
64%
Top 20: 96%
Top-5 click share
36%
Top 20: 72%
Open market
31%
- COTINSE19%
- HTZSAFE19%
- 1byone11%
- HULPPRE9%
- ChunHee6%
- AMHEY5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +17.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top motion sensor alarm search terms
- motion sensor alarm outdoor34K/yr
- outdoor motion sensor alarm20K/yr
- motion alarm outdoor22K/yr
- motion sensor alarm indoor23K/yr
- motion alarm indoor12K/yr
- proximity alarm11K/yr
- motion alarm with siren8K/yr
- alarm sensor9K/yr
- motion activated alarm7K/yr
- outdoor alarm motion sensor6K/yr
Top motion sensor alarm products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-DIY Security Alert-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 2 Sensors
HTZSAFE$40.294.4★20,029 rev
Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home Business Store Office School
COTINSE$21.474.3★1,409 rev
Driveway Alarm Wireless Outside 1 BY ONE Motion Sensor Alarm 1000ft/300m Range Extra Loud Chimes Security Alarm System with 1 Receiver 2 Weatherproof Infrared Sensors Protect Indoor/Outdoor Property
1byone$25.724.2★4,020 rev
1byone Driveway Alarm Home Security Alert System with 36 Melodies 1 Plug-in Receiver and 2 Weatherproof PIR Motion Detector 1000ft Wireless Transmission Range and 24ft PIR Detection Range
1byone$23.854.2★5,095 rev
Solar Motion Sensor Alarm Outdoor Red & Blue LED Strobe Light with 130dB Dual Speakers 13 Loud Sounds Dog Barking & Siren Continuous Loop Playback 4 Working Modes for Home Villa Farm Barn
COTINSE$25.894.0★164 rev
Newest
by launch date
HULPPRE Solar Outdoor Motion Sensor Alarm-Dog Barking and Gunshot Sound Support Recording Adjust Volume 130db Loud Noise Maker 3 Work Modes Strobe Light with USB Say Goodbye to The Intruders
HULPPRE$25.5244 rev
HULPPRE Solar Outdoor Motion Sensor Alarm-13 Sounds Including Dog Barking&Gunshot 130db Loud Noise Maker 4 Modes Motion Activated Strobe Light Say Goodbye to the intruders
HULPPRE$22.5749 rev
Portable Outdoor Perimeter Alarm System- 1/4 Mile Waterproof Wireless Motion Sensor&Detector- Personal Security for Wildlife&Stranger Alert(Camping Hiking Hunting Fishing) (1 Receiver+4 Sensors)
HTZSAFE$71.4240 rev
Solar Motion Sensor Alarm Outdoor Red & Blue LED Strobe Light with 130dB Dual Speakers 13 Loud Sounds Dog Barking & Siren Continuous Loop Playback 4 Working Modes for Home Villa Farm Barn
COTINSE$25.89164 rev
Solar Outdoor Motion Sensor Alarm 130dB Dog Barking & Gunshot Sound 13 Looping Sounds to Prevent Habituation 4 Work Modes IP55 Weatherproof Alarm for Home Villa Yard Chicken Coop
COTINSE$25.50469 rev
Trending
90-day click momentumHULPPRE Solar Outdoor Motion Sensor Alarm-Dog Barking and Gunshot Sound Support Recording Adjust Volume 130db Loud Noise Maker 3 Work Modes Strobe Light with USB Say Goodbye to The Intruders
HULPPRE$25.524.3★
Solar Motion Sensor Alarm Outdoor Red & Blue LED Strobe Light with 130dB Dual Speakers 13 Loud Sounds Dog Barking & Siren Continuous Loop Playback 4 Working Modes for Home Villa Farm Barn
COTINSE$25.894.0★
Solar Outdoor Motion Sensor Alarm 130dB Dog Barking & Gunshot Sound 13 Looping Sounds to Prevent Habituation 4 Work Modes IP55 Weatherproof Alarm for Home Villa Yard Chicken Coop
COTINSE$25.504.5★
Portable Outdoor Perimeter Alarm System- 1/4 Mile Waterproof Wireless Motion Sensor&Detector- Personal Security for Wildlife&Stranger Alert(Camping Hiking Hunting Fishing) (1 Receiver+4 Sensors)
HTZSAFE$71.424.2★
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
TECKNET$23.284.3★
What buyers say about motion sensor alarm
What buyers praise and complain about, mined from review topics.What buyers love
“As Advertised”
“Best for the money”
“the build quality feels solid”
“Works great and effective”
“installation takes only minutes”
“Good alarm”
“Great motion sensor”
“can be quiet to warn I like it”
“Ease of use”
“Battery life is great”
What buyers complain about
“Very loud”
“Doesn't work as intended”
“Doesn't last”
“not good quality control”
“Bad instructions”
“Horrible battery life”
“Hard to set”
“Doesnt charge”
“Not worth the money”
“Also, setting this up is a pain:”
Top return reasons
Common questions
- Is motion sensor alarm profitable to sell on Amazon United States?
- The niche generates $136K/yr across 47 tracked products. 12 of 13 products launched in the last 360 days are still selling. 90-day search growth is +17.7%. Flapen's verdict: Worth a look (56/100).
- How competitive is the motion sensor alarm niche?
- 24 brands and 39 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in motion sensor alarm?
- Top complaints mined from reviews: Noise Level, Functionality-Overall, Durability. The return rate is 3.6%.
- When does demand for motion sensor alarm peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the motion sensor alarm niche?
- Listings span $9.86–$97.85; the average listing price is $30.94 (sweet spot $15–$100). The average incumbent carries 2,745 reviews — the moat a new listing must climb.