original defense siren
Skip itSoft demand (-87.7% this quarter) — this niche doesn't clear our bar today.
Price range
Incredible$16.64–$29.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$22.10avg listing price — sweet spot $15–$100
Returns
Great1.7%return rate — above 5% kills the launch gate
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay2,536.67avg incumbent reviews — the moat a new listing must climb
Market size
Bad$17K$17K/yr · 12K searches
Growth
Bad-87.7%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, original defense siren is a $17K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Sep. Verdict: Skip it — 34/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
original defense siren market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $6K–$11K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #182
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 67%
- Out of stock
- 11.1%
- Avg brand age
- 51 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Original Defense63%
- Spartan Defense23%
- SABRE14%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -87.7% search growth over the last 90 days.Peak months: Jan, Feb, Sep · busiest ÷ quietest = 10.6×
Top original defense siren 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 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Original Defense Siren Self-Defense Alarm - 130 dB Keychain Alarm with LED Strobe Light for Women Children and Elderly - Police Recommended - (Black 1 Count)
Original Defense$19.774.4★6,257 rev
Spartan Defense Personal Safety Alarm Rechargeable (Lavender)
Spartan Defense$29.894.2★33 rev
SABRE Personal Safety Kit with Pepper Spray and 2-in-1 Personal Alarm with LED Light 0.54 fl oz 25 Bursts 130dB Alarm Audible Up to 1 250 Feet
SABRE$16.644.5★1,320 rev
Newest
by launch dateSpartan Defense Personal Safety Alarm Rechargeable (Lavender)
Spartan Defense$29.8933 rev
SABRE Personal Safety Kit with Pepper Spray and 2-in-1 Personal Alarm with LED Light 0.54 fl oz 25 Bursts 130dB Alarm Audible Up to 1 250 Feet
SABRE$16.641,320 rev
Original Defense Siren Self-Defense Alarm - 130 dB Keychain Alarm with LED Strobe Light for Women Children and Elderly - Police Recommended - (Black 1 Count)
Original Defense$19.776,257 rev
Trending
90-day click momentumSABRE Personal Safety Kit with Pepper Spray and 2-in-1 Personal Alarm with LED Light 0.54 fl oz 25 Bursts 130dB Alarm Audible Up to 1 250 Feet
SABRE$16.644.5★
Original Defense Siren Self-Defense Alarm - 130 dB Keychain Alarm with LED Strobe Light for Women Children and Elderly - Police Recommended - (Black 1 Count)
Original Defense$19.774.4★
Spartan Defense Personal Safety Alarm Rechargeable (Lavender)
Spartan Defense$29.894.2★
What buyers say about original defense siren
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect for safety I got chased by a dog”
“Compact safety kit thats easy to carry”
“Seems like good quality, too”
“Functional security device”
“Easy to Use”
“It appears to work as advertised”
“It is slim, attaches easily to your keychain and is LOUD”
“Bright”
“The design and color are great”
“Its a great size”
What buyers complain about
“It's very loud”
“it doesnt work”
“Since they arent rechargeable it is slightly disappointing”
“Not worth the price”
Top return reasons
Common questions
- Is original defense siren profitable to sell on Amazon United States?
- The niche generates $17K/yr across 3 tracked products. 90-day search growth is -87.7%. Flapen's verdict: Skip it (34/100).
- How competitive is the original defense siren niche?
- 3 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in original defense siren?
- Top complaints mined from reviews: Noise Level, Functionality-Overall, Charging. The return rate is 1.7%.
- When does demand for original defense siren peak?
- Demand peaks in Jan–Feb–Sep; the busiest month runs 10.6× the quietest.
- What does it cost to enter the original defense siren niche?
- Listings span $16.64–$29.89; the average listing price is $22.10 (sweet spot $15–$100). The average incumbent carries 2,537 reviews — the moat a new listing must climb.