はじめに: Cheap Doesn't Have to Be Bad
The market for affordable security cameras has improved dramatically in recent years. Models under $100 now offer features that were once reserved for the premium class: 2K resolution, AI motion detection, color night vision, and local storage.
We tested over 20 cameras under $100. Here are the best.
比較表
詳細レビュー
1. Wyze Cam v4 – Best Overall Under $40
価格： $35.99 | 解像度： 2K | ストレージ： microSD up to 256 GB
The Wyze Cam v4 offers 2K resolution, AI detection, two-way audio, and local storage for under $40. The physical privacy switch completely disables the camera and microphone.
長所： 2K, AI detection, physical privacy mode, microSD, Alexa/Google.
短所： 2.4GHz Wi-Fi only, occasional false alerts.
私たちの結論: The best budget indoor camera on the market.
2. TP-Link Tapo C210 – Best PTZ Camera Under $50
価格： $44.99 | 解像度： 2K | ストレージ： microSD up to 512 GB
360° pan and 114° tilt for under $50. Ideal for monitoring large rooms.
長所： PTZ, 2K, microSD up to 512 GB, Alexa/Google.
短所： Motion detection only in current field of view, PTZ mechanism is audible.
3. Kasa Spot KL125P2 – Cheapest Camera
価格： $24.99 | 解像度： 1080p | ストレージ： microSD up to 512 GB
The cheapest camera on the list. Two cameras for under $50.
長所： Extremely affordable, microSD up to 512 GB, Alexa/Google.
短所： 1080p only, no continuous recording.
4. Blink Mini 2 – Most Compact Budget Camera
価格： $29.99 | 解像度： 1080p | ストレージ： Cloud
Small, unobtrusive, with an above-average 143° field of view.
長所： Very compact, 143°, Alexa.
短所： Cloud subscription required, no local storage.
5. Eufy Indoor Cam 2K – Best Privacy Under $50
価格： $39.99 | 解像度： 2K | ストレージ： microSD up to 256 GB
Local storage and on-device AI – no subscription, no cloud.
長所： 2K, on-device AI, no subscription, local storage.
短所： 2.4GHz Wi-Fi only, no physical privacy switch.
6. TP-Link Tapo C500 – Best Budget Outdoor Camera
価格： $79.99 | 解像度： 1080p | ストレージ： microSD up to 512 GB
Dual power option (Wi-Fi + PoE) for flexible installation. Starlight night vision.
長所： PoE/Wi-Fi hybrid, Starlight sensor, affordable.
短所： Narrower field of view (105°), no spotlight.
7. Zmodo Outdoor Pro – Best Outdoor Budget Battery Camera
価格： $99.99 | 解像度： 1080p | バッテリー駆動時間: 6 months
6 months of battery life with solar compatibility. IP66 weatherproof.
長所： 6-month battery, Solar, IP66, no subscription.
短所： 1080p only, app is outdated.
Budget Camera Guidelines
- Under $30: Expect 1080p and cloud storage. Good for indoor use.
- $30-50: 2K and local storage possible. The sweet spot for indoor cameras.
- $50-80: Here you'll find PTZ features or better outdoor options.
- $80-100: Solid outdoor cameras with battery/solar or PoE.
私たちの結論
For most people, the Wyze Cam v4 is the best budget camera. It offers 2K, AI detection, and local storage for $35.99. If you need an outdoor camera, go with the TP-Link Tapo C500 or Zmodo Outdoor Pro.