---
title: "Eufy Smart Lock C34 — $7K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/eufy-smart-lock-c34"
last_updated: "2026-08-09T04:04:05.210Z"
locale: en
meta:
description: "Niche score 26/100 · $7K/yr market · 5K searches/yr · $88.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 26/100 · $7K/yr market · 5K searches/yr · $88.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Eufy Smart Lock C34 — $7K/yr Amazon US Niche (2026) - Flapen"
---
# **eufy smart lock c34**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 2Growth 17Conversion 19Competition 5Returns 23Price range 58Avg price 79Brand share 0Review moat 54Quality gap 85
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$88.77**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$61.47–$127.98**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,330.67**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.6%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-16.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****94%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$7K**
$7K/yr · 5K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, eufy smart lock c34 is a $7K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 26/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **eufy smart lock c34 market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$9K–$22K**
- units × avg price
- **Conversion rate**
- **1.6%**
- **Avg BSR**
- **#53**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **50%**
- **Out of stock**
- **15.4%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **197 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **—flat
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- eufy Security100%
## **Demand & seasonality**
Weekly Amazon search volume, last 54 weeks — -16.1% search growth over the last 90 days.
300200Spike '25Holiday '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/eufy-smart-lock-c34/trend)
## **Top eufy smart lock c34 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%$70020%$1K30%$2K40%$3K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**eufy Security Smart Lock C220 Fingerprint Keyless Entry Door Lock Built-in Wi-Fi App Remote Control Front Door Smart Lock Deadbolt 8Months Battery Reliable Power IP53 Waterproof BHMA Grade 3**eufy Security**$98.25**4.3★3,892 rev](https://www.amazon.com/dp/B0C7C69FPS) [2**eufy Security Smart Lock C34 Keyless Entry Door Lock with Apple Home Ecosystem Built-in Wi-Fi Deadbolt for Front Door or Back Supports Matter Alexa Google Home SmartThings**eufy Security**$71.51**3.9★220 rev](https://www.amazon.com/dp/B0DGG5J6SB) [3**eufy Security Smart Lock C30 Keyless Entry Door Lock Built-in WiFi Keypad Deadbolt for Front Door No Bridge Required Easy Installation App Remote Control Reliable Power BHMA Grade 3**eufy Security**$61.47**4.0★2,109 rev](https://www.amazon.com/dp/B0D8XZBR5R) [4**eufy Security eufyCam C35 Wireless Security Camera Outdoor and Indoor Magnetic Mount Color Night Vision Local Storage No Monthly Fee IP67 Supports Solar Panel White**eufy Security**$62.61**4.3★705 rev](https://www.amazon.com/dp/B0FGYBLZKH) [5**eufy Security Smart Lock C33 Keypad Door Lock with Handle Fingerprint Door Knob Keyless Entry Door Lock for Front Door and Bedrooms Electronic Deadbolt Wi-Fi App Control IP53 Waterproof Black**eufy Security**$110.79**4.2★800 rev](https://www.amazon.com/dp/B0DKF97S22)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**eufy Security eufyCam C35 Wireless Security Camera Outdoor and Indoor Magnetic Mount Color Night Vision Local Storage No Monthly Fee IP67 Supports Solar Panel White**eufy Security**$62.61**705 rev9mo ago](https://www.amazon.com/dp/B0FGYBLZKH) [**eufy Security Smart Lock C33 Keypad Door Lock with Handle Fingerprint Door Knob Keyless Entry Door Lock for Front Door and Bedrooms Electronic Deadbolt Wi-Fi App Control IP53 Waterproof Black**eufy Security**$110.79**800 rev1y ago](https://www.amazon.com/dp/B0DKF97S22) [**eufy Security Smart Lock E31 Fingerprint Keyless Entry Door Lock for Front Door Built-in WiFi Deadbolt App Control Supports Matter Apple Home Alexa Google 10000mAh Battery Auto Lock**eufy Security**$127.98**258 rev1y ago](https://www.amazon.com/dp/B0DP4T27BL) [**eufy Security Smart Lock C34 Keyless Entry Door Lock with Apple Home Ecosystem Built-in Wi-Fi Deadbolt for Front Door or Back Supports Matter Alexa Google Home SmartThings**eufy Security**$71.51**220 rev1y ago](https://www.amazon.com/dp/B0DGG5J6SB) [**eufy Security Smart Lock C30 Keyless Entry Door Lock Built-in WiFi Keypad Deadbolt for Front Door No Bridge Required Easy Installation App Remote Control Reliable Power BHMA Grade 3**eufy Security**$61.47**2,109 rev2y ago](https://www.amazon.com/dp/B0D8XZBR5R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**eufy Security eufyCam C35 Wireless Security Camera Outdoor and Indoor Magnetic Mount Color Night Vision Local Storage No Monthly Fee IP67 Supports Solar Panel White**eufy Security**$62.61**4.3★**▲ 676%**](https://www.amazon.com/dp/B0FGYBLZKH) [**eufy Security Smart Lock C33 Keypad Door Lock with Handle Fingerprint Door Knob Keyless Entry Door Lock for Front Door and Bedrooms Electronic Deadbolt Wi-Fi App Control IP53 Waterproof Black**eufy Security**$110.79**4.2★**▲ 259%**](https://www.amazon.com/dp/B0DKF97S22) [**eufy Security Smart Lock E31 Fingerprint Keyless Entry Door Lock for Front Door Built-in WiFi Deadbolt App Control Supports Matter Apple Home Alexa Google 10000mAh Battery Auto Lock**eufy Security**$127.98**4.2★**▲ 243%**](https://www.amazon.com/dp/B0DP4T27BL) [**eufy Security Smart Lock C220 Fingerprint Keyless Entry Door Lock Built-in Wi-Fi App Remote Control Front Door Smart Lock Deadbolt 8Months Battery Reliable Power IP53 Waterproof BHMA Grade 3**eufy Security**$98.25**4.3★**▲ 166%**](https://www.amazon.com/dp/B0C7C69FPS) [**eufy Security Smart Lock C30 Keyless Entry Door Lock Built-in WiFi Keypad Deadbolt for Front Door No Bridge Required Easy Installation App Remote Control Reliable Power BHMA Grade 3**eufy Security**$61.47**4.0★**▲ 140%**](https://www.amazon.com/dp/B0D8XZBR5R)
**~~View all trending →~~**
## **What buyers say about eufy smart lock c34**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**23%
*“Easy set up”*
**Locking Mechanism**17%
*“Lock worked great”*
**Quality-Overall**9%
*“Good Quality and Easy Installation”*
**Battery Life**5%
*“Battery life is excellent”*
**Advertised Vs Actual Product**5%
*“Works as advertised”*
**Ease Of Use**5%
*“Easy and convenient”*
**Value For Money**4%
*“not expensive”*
**Security**4%
*“Sleek, Secure & Easy to Use”*
**Connectivity-Overall**4%
*“Ive had no issues with losing connectivity”*
**Image/Picture Clarity**2%
*“Clear picture also”*
### **What buyers complain about **
**Battery Life**16%
*“Battery life is horrendous”*
**Durability**15%
*“Wont last”*
**Connectivity-Overall**12%
*“it went disconnected again”*
**Locking Mechanism**7%
*“Literally doesn't lock”*
**Functionality-Overall**5%
*“it never worked properly”*
**Quality-Overall**5%
*“Not as good as described”*
**Charging**3%
*“needs to be charged too frequently”*
**Compatibility-Overall**2%
*“However, it is absolutely awful when trying to pair it with Google Home or Home Assistant”*
**Value For Money**2%
*“expense than it was worth”*
**Water Resistance**2%
*“Doesnt work when its raining”*
### **Top return reasons **
**Size-Overall**15%
**Connectivity-Overall**13%
**Functionality-Overall**12%
**Compatibility-Overall**12%
**Value For Money**11%
**Locking Mechanism**8%
**Defective Material/Parts**5%
**Assembly/Installation**3%
**Advertised Vs Actual Product**3%
**Color**3%
## **Common questions**
- **Is eufy smart lock c34 profitable to sell on Amazon United States?**
- The niche generates $7K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.1%. Flapen's verdict: Skip it (26/100).
- **How competitive is the eufy smart lock c34 niche?**
- 1 brands and 5 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in eufy smart lock c34?**
- Top complaints mined from reviews: Battery Life, Durability, Connectivity-Overall. The return rate is 5.5% — above our launch gate.
- **When does demand for eufy smart lock c34 peak?**
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the eufy smart lock c34 niche?**
- Listings span $61.47–$127.98; the average listing price is $88.77 (sweet spot $15–$100). The average incumbent carries 1,331 reviews — the moat a new listing must climb.
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