emp shield
Skip itSoft demand (-57.1% this quarter) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 6% kills the launch gate
Review moat
Good626.81avg incumbent reviews — the moat a new listing must climb
Avg price
Good$116.52avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Market size
Okay$262K$262K/yr · 131K searches
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Price range
Bad$9.81–$426.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-57.1%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
16 falling
Sellers
23
Top-5 brand share
75%
Open market
20%
- EMP Shield42%
- Faraday Defense12%
- Sapbontchi8%
- Lulrsay7%
- Zuomeng6%
- Gardava4%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 27 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
EMP Shield Vehicle EMP Protection 12 Volt DC for Car and Truck (DC-12V-WV) Lightning Solar Flare and Surge Protection
EMP Shield$388.994.6★544 rev
EMP Shield Home EMP & Lightning Protection + CME Defense for Flush Mounted Breaker Box (SP-120-240-RL/Concealed Model) Lightning Solar Flare and Surge Protection
EMP Shield$389.074.7★221 rev
EMP Shield Micro - Vehicle EMP Protection 12 Volt DC for Car Truck and Motorcycle (DC-12V-Micro) Lightning Solar Flare CME (coronal mass ejection) and Lightining Surge Protection
EMP Shield$426.404.8★113 rev
EMP & EMF Shield for Home (Gen 2) | Compact EMF Blocker & Harmonizer | Whole House Electromagnetic Protection Device | 2000 Sq Ft Coverage | Plug-in for Outlet Inverter Generator
Sapbontchi$67.163.9★63 rev
Lulrsay 5 Pack Faraday Bags EMP Proof Faraday Bags for Laptops Tablets Phones Car Keys Faraday Cage with Handle&Reflective Strip EMP bags Faraday Pouch for Electronics Fireproof Waterproof
Lulrsay$23.704.4★1,040 rev
Newest
by launch date
EMF Protection EMF Blocker for House Office Library(Coverage Area Up to 2000 Square Feet Per Level) - White
NURIONSS$58.2017 rev
EMP & EMF Shield for Home (Gen 2) | Compact EMF Blocker & Harmonizer | Whole House Electromagnetic Protection Device | 2000 Sq Ft Coverage | Plug-in for Outlet Inverter Generator
Sapbontchi$67.1663 rev
Zuomeng Vehicle EMP Protection - 12 Volt DC for Cars & Trucks Protection Against EMP Solar Flares & Power Surges
Zuomeng$123.901 rev
Gardava Faraday Backpack for Laptops and Phones Electromagnetic Shielding Faraday Bag Military Grade EMP Proof Protection for Security & Data Privacy
Gardava$56.71112 rev
Gardava Faraday Bag Military Grade Shield Bag Waterproof EMP Cage Dry Bag for Laptops & Phones Large Faraday Bags
Gardava$49.11144 rev
Trending
90-day click momentum
DefenderShield E M F Protection for Cell Phone Gloves Computer & Cell Phone Touch Screen Gloves Comfortable E M F Clothing Small Size Anti-Odor & Anti-Static Material
DefenderShield$35.654.0★
Zuomeng Vehicle EMP Protection - 12 Volt DC for Cars & Trucks Protection Against EMP Solar Flares & Power Surges
Zuomeng$123.904.0★
Medtecs Hazmat Suits - 6 Sizes Options - Disposable Coveralls Suit Medical Protective Coverall PPE Hazmat Suits
Medtecs$12.374.6★
SaiTech IT 5 Pack RFID Blocking Card One Card Protects Entire Wallet Purse NFC Contactless Bank Debit Credit Card Protector ID ATM Guard Card Blocker(Black)
SaiTech IT$9.814.7★
EMP & EMF Shield for Home (Gen 2) | Compact EMF Blocker & Harmonizer | Whole House Electromagnetic Protection Device | 2000 Sq Ft Coverage | Plug-in for Outlet Inverter Generator
Sapbontchi$67.163.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -57.1% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 4.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality is excellent”
“Worth it”
“Works as it stated”
“Good variety of sizes”
“Easy to use”
“No issues”
“The Installation was straight”
“Better sleep”
“Helpful”
“Very durable”
What buyers complain about
“Not effective”
“The large bag is really big”
“Blocks Signal”
“This is FALSE ADVERTISING”
“Feels very cheap”
“Total waste of money”
“However, I would not expect total waterproofness longer-term as the fold-over sealing surfaces are minimal for this function”
“they can't connect airpods or other devices during class”
“their hard plastic”
“Bad blocking”