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TP-Link Tapo T100 Smart Motion Sensor
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TP-Link Tapo T100 Smart Motion Sensor is a compact, affordable, battery-powered motion detector designed for smart home automation and basic security. It works within the Tapo ecosystem and requires a Tapo Hub (such as the H100) to connect to your Wi-Fi and enable automations.
Key Features
- Detection: Up to 7 meters (23 ft) range with 120° wide-angle view.
- Sensitivity: Adjustable in 3 levels (low/medium/high) to reduce false triggers (e.g., from pets or curtains).
- Battery: CR2450 coin cell — up to 1–2 years of life (depending on usage and settings).
- Mounting: Magnetic base + 3M adhesive + freestanding options. Compact and easy to hide.
- Automations: Triggers Tapo lights, switches, sirens, or notifications when motion is detected. Supports schedules and activity zones in the Tapo app.
- Alerts: Real-time push notifications to your phone.
- Integration: Works with Alexa, Google Assistant, and other Tapo devices. Sub-1GHz wireless for better range and battery efficiency than Wi-Fi sensors.
- Dimensions: 42.3 × 42.3 × 34 mm (very small).
Pros
- Excellent value and reliable performance for the price.
- Long battery life and easy installation.
- Quick response time for lighting automations (e.g., hallway lights turning on automatically).
- Adjustable sensitivity helps minimize false alarms.
- Great for hands-free lighting, energy saving, and entry alerts.
Cons
- Requires a Tapo Hub (extra cost if you don’t have one).
- No built-in camera or siren (pure sensor only).
- Detection is PIR-based (infrared) — can be affected by heat sources or blocked by obstacles.
- Best suited for indoor use (though some users place it in sheltered outdoor spots).
This is one of the best entry-level smart motion sensors for automating lights, notifying you of movement, or building simple security routines in the Tapo app. It’s ideal for beginners expanding their smart home.



