---
title: "Room Door Lock with Code — $168K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/room-door-lock-with-code"
last_updated: "2026-08-08T16:43:15.687Z"
locale: en
meta:
description: "Niche score 48/100 · $168K/yr market · 169K searches/yr · $42.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $168K/yr market · 169K searches/yr · $42.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Room Door Lock with Code — $168K/yr Amazon US Niche (2026) - Flapen"
---
# **room door lock with code**
**Skip it**
Weak search conversion (2.3%) — this niche doesn't clear our bar today.
Market size 35Growth 30Conversion 29Competition 59Returns 29Price range 88Avg price 95Brand share 45Review moat 45Quality gap 80
**Avg price**
**Incredible****$42.43**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.37–$71.00**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****1,982.5**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$168K**
$168K/yr · 169K searches
**Growth**
**Okay****+4.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****4.7%**
return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, room door lock with code is a $168K/yr Amazon United States market (169K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **room door lock with code market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$170K–$212K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#51**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **7.0%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**38**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 95%
**Open market**
**17%**
- Evanshow35% - Yamiry14% - KLLOQUE14% - AIMNAPS8% - ThorBolt6% - iulock5% - Open — no brand owns it (9 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +4.3% search growth over the last 90 days.
4K3KSpike '24Prime Day '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/room-door-lock-with-code/trend)
## **Top room door lock with code search terms**
- **bedroom door lock with code**79K/yr+3.9%2.2% conv. - **code door lock for bedroom**13K/yr-2.8%2.1% conv. - **bedroom door lock keyless**10K/yr+24.8%1.0% conv. - **room door lock with code**7K/yr+22.5%1.8% conv. - **password door knob**7K/yr-1.4%1.0% conv. - **bed room door lock with code**5K/yr+16.1%1.9% conv. - **bedroom keypad door lock**6K/yr+8.3%2.2% conv. - **door knob with keypad for bedroom**6K/yr+10.6%1.8% conv. - **keypad bedroom door lock**5K/yr+20.5%2.1% conv. - **closet door lock with code**5K/yr+3.5%2.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/room-door-lock-with-code/search-terms)
## **Top room door lock with code 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%$17K20%$34K30%$50K40%$67K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Evanshow Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry Door Locks for Bedrooms Home Hotel Office Apartment Black**Evanshow**$28.99**4.1★1,831 rev](https://www.amazon.com/dp/B0F375TD2P) [2**Keypad Smart Door Knob Lock Yamiry Keyless Entry Digital Lock with Handle Electronic Code Knob for Front Door Easy Installation**Yamiry**$49.69**4.4★1,940 rev](https://www.amazon.com/dp/B0D73J4DZ5) [3**Fingerprint Door Lock Smart Fingerprint Door Knob with Lock Biometric Door knob with App Control & Key Keyless Thumbprint Entry Door Lock for Bedroom Front Door Home Apartment Office-Matte Black**KLLOQUE**$37.01**4.2★1,130 rev](https://www.amazon.com/dp/B0D1BR28N8) [4**ThorBolt G1 Fingerprint Door Knob Lock with Keypad Biometric Door Knob Auto-Lock 4* AAA Alkaline Batteries Interior Door Lock for Bedroom Garage Office Pantry Door Black**ThorBolt**$38.71**4.3★219 rev](https://www.amazon.com/dp/B0FWJZXHBW) [5**Evanshow Smart Door Knob Fingerprint Lock 4-in-1 Keyless Entry (Fingerprint/App/Code/Key) Biometric Door with Auto-Lock Easy Install for Home/Bedroom/Office-Black**Evanshow**$39.48**4.3★98 rev](https://www.amazon.com/dp/B0GXV2F5B6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Evanshow Smart Door Knob Fingerprint Lock 4-in-1 Keyless Entry (Fingerprint/App/Code/Key) Biometric Door with Auto-Lock Easy Install for Home/Bedroom/Office-Black**Evanshow**$39.48**98 rev3mo ago](https://www.amazon.com/dp/B0GXV2F5B6) [**ThorBolt G1 Fingerprint Door Knob Lock with Keypad Biometric Door Knob Auto-Lock 4* AAA Alkaline Batteries Interior Door Lock for Bedroom Garage Office Pantry Door Black**ThorBolt**$38.71**219 rev5mo ago](https://www.amazon.com/dp/B0FWJZXHBW) [**Fingerprint Door Lock - Smart Door Knob Biometric Door Lock with Keypad Passcode Door Handle for Bedroom Home Office (Black)**PLOLRELM**$50.77**49 rev8mo ago](https://www.amazon.com/dp/B0G4BM5GN8) [**AIMNAPS Smart Fingerprint Door Lock Door Locks for Bedroom Keyless Entry Door Knob (Fingerprint/Code/Key) Auto Lock for Apartment Office-Black**AIMNAPS**$28.55**107 rev9mo ago](https://www.amazon.com/dp/B0FX37K7ZX) [**Zengtumy AIMNAPS Fingerprint Door Lock Door Locks for Bedrooms Biometric Door Lock with Fingerprint/Password/Key/IC Card-Smart Door Lock for Home Hotel Office Apartment-Black**AIMNAPS**$27.04**187 rev12mo ago](https://www.amazon.com/dp/B0FFMGRXZS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fingerprint Door Lock - Smart Door Knob Biometric Door Lock with Keypad Passcode Door Handle for Bedroom Home Office (Black)**PLOLRELM**$50.77**3.8★**▲ 245%**](https://www.amazon.com/dp/B0G4BM5GN8) [**Evanshow Smart Door Knob Fingerprint Lock 4-in-1 Keyless Entry (Fingerprint/App/Code/Key) Biometric Door with Auto-Lock Easy Install for Home/Bedroom/Office-Black**Evanshow**$39.48**4.3★**▲ 241%**](https://www.amazon.com/dp/B0GXV2F5B6) [**AIMNAPS Smart Fingerprint Door Lock Door Locks for Bedroom Keyless Entry Door Knob (Fingerprint/Code/Key) Auto Lock for Apartment Office-Black**AIMNAPS**$28.55**4.2★**▲ 181%**](https://www.amazon.com/dp/B0FX37K7ZX) [**Ghome Smart Fingerprint Door Knob with Lock 5-in-1 Keyless Entry Door Lock with Handle App Control Passcode & Key Fingerprint Door Lock for Bedroom Biometric Smart Lock for Apartment & Home**GHome Smart**$47.03**4.0★**▲ 164%**](https://www.amazon.com/dp/B0FGQ77NP5) [**ThorBolt G1 Fingerprint Door Knob Lock with Keypad Biometric Door Knob Auto-Lock 4* AAA Alkaline Batteries Interior Door Lock for Bedroom Garage Office Pantry Door Black**ThorBolt**$38.71**4.3★**▲ 116%**](https://www.amazon.com/dp/B0FWJZXHBW)
**~~View all trending →~~**
## **What buyers say about room door lock with code**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**22%
*“Easy set up”*
**Locking Mechanism**22%
*“Smart Lock”*
**Quality-Overall**10%
*“Excellent Product as advertised”*
**Value For Money**8%
*“Great Deal”*
**Ease Of Use**8%
*“Easy to open”*
**Security**5%
*“Feels very secure”*
**Efficiency**3%
*“Works Great”*
**Advertised Vs Actual Product**2%
*“As described”*
**Design-Overall**2%
*“Well constructed”*
**Strength**2%
*“material feel sturdy”*
### **What buyers complain about **
**Locking Mechanism**17%
*“Not locking”*
**Durability**12%
*“Breaks easy”*
**Quality-Overall**10%
*“Bad quality”*
**Functionality-Overall**8%
*“does not function correctly”*
**Assembly/Installation**7%
*“Difficult to Install”*
**Instructions/User Manual/Troubleshooting**5%
*“Needs better instructions”*
**Ease Of Use**4%
*“Hard to use”*
**Battery Life**4%
*“Low battery life”*
**Connectivity-Overall**3%
*“wont connect to Bluetooth”*
**Charging**3%
*“Will not hold a charge”*
### **Top return reasons **
**Size-Overall**23%
**Locking Mechanism**18%
**Functionality-Overall**14%
**Defective Material/Parts**7%
**Compatibility-Overall**6%
**Mechanism Issues**6%
**Assembly/Installation**4%
**Connectivity-Overall**3%
**Value For Money**3%
**Advertised Vs Actual Product**3%
## **Common questions**
- **Is room door lock with code profitable to sell on Amazon United States?**
- The niche generates $168K/yr across 24 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +4.3%. Flapen's verdict: Skip it (48/100).
- **How competitive is the room door lock with code niche?**
- 15 brands and 38 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in room door lock with code?**
- Top complaints mined from reviews: Locking Mechanism, Durability, Quality-Overall. The return rate is 4.7%.
- **When does demand for room door lock with code peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the room door lock with code niche?**
- Listings span $9.37–$71.00; the average listing price is $42.43 (sweet spot $15–$100). The average incumbent carries 1,983 reviews — the moat a new listing must climb.
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