---
title: "Par Meter — $504K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/par-meter"
last_updated: "2026-08-11T07:37:34.596Z"
locale: en
meta:
description: "Niche score 46/100 · $504K/yr market · 181K searches/yr · $73.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $504K/yr market · 181K searches/yr · $73.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Par Meter — $504K/yr Amazon US Niche (2026) - Flapen"
---
# **par meter**
**Skip it**
Soft demand (-25.7% this quarter) — this niche doesn't clear our bar today.
Market size 60Growth 12Conversion 48Competition 31Returns 42Price range 56Avg price 85Brand share 37Review moat 81Quality gap 63
**Avg price**
**Great****$73.05**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****370.28**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$504K**
$504K/yr · 181K searches
**Price range**
**Good****$12.42–$164.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.7%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-25.7%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, par meter is a $504K/yr Amazon United States market (181K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 46/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **par meter market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$365K–$438K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#65**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **4.5%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**31**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**66%**
Top 20: 100%
**Open market**
**14%**
- DANOPLUS26% - VABIRA19% - URCERI18% - AquaHorti13% - Lightray7% - BTMETER3% - Open — no brand owns it (8 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -25.7% search growth over the last 90 days.
5K4KHoliday '24 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/electronics/par-meter/trend)
## **Top par meter search terms**
- **par meter**68K/yr-32.6%2.7% conv. - **ppfd meter**41K/yr-2.9%2.5% conv. - **par meter for reef tank**20K/yr-27.1%3.1% conv. - **ppfd meter for led grow light**14K/yr-27.3%3.1% conv. - **par meter for led grow lights**15K/yr-48.3%3.3% conv. - **par meter for plants**4K/yr+20.0%2.2% conv. - **aquarium par meter**6K/yr-37.5%2.8% conv. - **par light meter**4K/yr-36.3%2.4% conv. - **lab photometers & light meters**2K/yr+30.1%0.3% conv. - **quantum par meter**3K/yr-46.6%3.2% conv. [**All search terms **](https://flapen.com/research/us/electronics/par-meter/search-terms)
## **Top par meter 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.
0%10%$50K20%$101K30%$151K40%$202K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Quantum PAR Meter Full-Spectrum High Precision PPFD Tester for Photosynthetic Activity of Indoor and Outdoor Plants 400-700nm Light Lux Tester**DANOPLUS**$79.41**4.8★410 rev](https://www.amazon.com/dp/B0BTYW7SDP) [2**Light Meter Digital Illuminance Meter Handheld Ambient Temperature Measurer Range up to 200 000 Lux Luxmeter with 4 Digit Color LCD Screen**URCERI**$27.91**4.4★2,943 rev](https://www.amazon.com/dp/B075DC6X25) [3**VBR-100 Quantum PAR Meter 6000umol/(s) RGB PAR Breakdown PPFD Distribution Mapping Bluetooth Free App Sensor Name(VBR-100 Plus) No Spectrum Selection**VABIRA**$56.77**4.4★424 rev](https://www.amazon.com/dp/B0B11H31DH) [4**VBR-Aqua IP68 PAR Meter for Aquarium Reef.R G B PAR Seperately.with a 3FT Telescopic Rod**VABIRA**$126.53**4.5★166 rev](https://www.amazon.com/dp/B0C7GRLQC4) [5**AH-Quantuv PAR Meter for Grow Lights PPFD Meter 400-750nm with UVA Measurement 320-400nm Shows PAR Breakdown of Blue Green Red Records PAR & UVA for Light Distribution Mapping**AquaHorti**$67.61**4.4★161 rev](https://www.amazon.com/dp/B0D8HZRPYD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**PAR (PPFD) Light Meter Clip for LED Grow Lights Precision Diffuser with MoeuPLTest iOS APP Full Spectrum + 660nm Included Free**EvoDevice**$29.59**8 rev6mo ago](https://www.amazon.com/dp/B0GK7GTCSK) [**Lightray Mobile Light- and PAR Meter | Smartphone-Based PPFD DLI Illuminance Meter with Photone App**Lightray**$38.49**72 rev9mo ago](https://www.amazon.com/dp/B0FW5KDNG6) [**DANOPLUS PAR Meter Par Meter for Reef Tank IP68 Waterproof Aquarium PAR Meter 400-700nm Spectral Range PPFD Meter Data Logger 37 Telescopic Pole 79 Sensor Cable Included**DANOPLUS**$122.08**30 rev1y ago](https://www.amazon.com/dp/B0F4MR17QX) [**PAR Meter for LED Grow Lights High Precision and Split Design PPFD Meter with 400-700nm RangePar Light Meter for Plants and Greenhouse**Elaphodus**$118.69**55 rev1y ago](https://www.amazon.com/dp/B0DCJLYPP7) [**Mcbazel Digital Illuminance Light Meter Photometer Light Intensity Sense Tester with LCD Display Lux Meter Range up to 200 000 Lux for Grow Plants/Photography/Indoor/Garden**Mcbazel**$12.75**753 rev1y ago](https://www.amazon.com/dp/B0CBX13KHC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**PAR (PPFD) Light Meter Clip for LED Grow Lights Precision Diffuser with MoeuPLTest iOS APP Full Spectrum + 660nm Included Free**EvoDevice**$29.59**4.1★**▲ 189%**](https://www.amazon.com/dp/B0GK7GTCSK) [**BTMETER Digital Illuminance Light Meter - Handheld Candles Meter BT-881E**BTMETER**$34.90**4.4★**▲ 120%**](https://www.amazon.com/dp/B07P54DK1X) [**AH-Reef PAR Meter Test PPFD UVA w/m Waterproof Sensor Show R G B% in Aquarium Light.Record PAR | UVA Distribution**AquaHorti**$113.01**4.3★**▲ 62%**](https://www.amazon.com/dp/B0D8HYGCFT) [**Lightray Mobile Light- and PAR Meter | Smartphone-Based PPFD DLI Illuminance Meter with Photone App**Lightray**$38.49**4.5★**▲ 38%**](https://www.amazon.com/dp/B0FW5KDNG6) [**AH-Quantuv PAR Meter for Grow Lights PPFD Meter 400-750nm with UVA Measurement 320-400nm Shows PAR Breakdown of Blue Green Red Records PAR & UVA for Light Distribution Mapping**AquaHorti**$67.61**4.4★**▲ 35%**](https://www.amazon.com/dp/B0D8HZRPYD)
**~~View all trending →~~**
## **What buyers say about par meter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**23%
*“Good price”*
**Ease Of Use**22%
*“Easy to use”*
**Quality-Overall**11%
*“Overall, a great tool for the price with solid performance”*
**Advertised Vs Actual Product**11%
*“Works as advertised”*
**Efficiency**10%
*“Works perfectly”*
**Brightness/Shine/Glow**5%
*“Now, they get the right amount of light and look amazing”*
**Compatibility-Overall**3%
*“I highly recommend this product It does not work with a phone case on iPhones though”*
**Durability**2%
*“has been dependable during regular use”*
**Battery Life**2%
*“Battery life hasnt been an issue”*
**Instructions/User Manual/Troubleshooting**1%
*“however the manual explains it all quite well”*
### **What buyers complain about **
**Value For Money**21%
*“Expensive for what it is”*
**Functionality-Overall**12%
*“Did not even turn on”*
**Display-Overall**10%
*“my primary complaint with this is that it doesn't display PPFD -- what it does display is PAR”*
**Advertised Vs Actual Product**9%
*“It is labeled and marketed wrong”*
**Quality-Overall**8%
*“That's my 1 and only complaint and its a deal breaker”*
**Durability**6%
*“died after 2.5 years”*
**Instructions/User Manual/Troubleshooting**5%
*“Instructions were terrible”*
**Defective Material/Parts**3%
*“Probably manufacturer's fault”*
**Color**2%
*“Color doesn't have a temperature”*
**Size-Overall**2%
*“The fit is also very awkward”*
### **Top return reasons **
**Functionality-Overall**31%
**Advertised Vs Actual Product**18%
**Value For Money**10%
**Measurement/Reading Accuracy**8%
**Defective Material/Parts**5%
**Product Condition**5%
**Compatibility-Overall**4%
**Display-Overall**4%
**Size-Overall**3%
**Instructions/User Manual/Troubleshooting**3%
## **Common questions**
- **Is par meter profitable to sell on Amazon United States?**
- The niche generates $504K/yr across 18 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -25.7%. Flapen's verdict: Skip it (46/100).
- **How competitive is the par meter niche?**
- 14 brands and 31 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in par meter?**
- Top complaints mined from reviews: Value For Money, Functionality-Overall, Display-Overall. The return rate is 3.7%.
- **When does demand for par meter peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the par meter niche?**
- Listings span $12.42–$164.96; the average listing price is $73.05 (sweet spot $15–$100). The average incumbent carries 370 reviews — the moat a new listing must climb.
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