7% OFF
Prime exclusive deal$27.99
$29.99
Join Prime to buy it at $27.99
Join Prime to buy it at C$37.99
Updated November 2026
Data from the official Aqara and Eufy sites.
2026 verdict
Eufy Entry Sensor E20 edges out Aqara Door and Window Sensor P2 in 2026, led by price, rating, and battery life.
What pushes it ahead is price, rating, and battery life, and its broader overall balance keeps the advantage from looking narrow. Aqara Door and Window Sensor P2 can still be the right pick, but only if connectivity and integrations outweigh the wider strengths of Eufy Entry Sensor E20. That makes Eufy Entry Sensor E20 the clearer recommendation in 2026.
vs
Winner
20% OFF
$23.99
$29.99
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Aqara Door and Window Sensor P2 | Eufy Entry Sensor E20 | Winner |
|---|---|---|---|
| Price | $27.99 | $23.99 | Eufy Entry Sensor E20 |
| Rating | 3.7 | 4.5 | Eufy Entry Sensor E20 |
| Battery Life | 2 years | 5 years | Eufy Entry Sensor E20 |
| Connectivity | Bluetooth, Thread Protocol | 2.4 GHz WiFi | Aqara Door and Window Sensor P2 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Home Assistant | Aqara Door and Window Sensor P2 |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | NO | NO | Tie |
| Sensors | Door & Window Open/Close | Door & Window Open/Close | Tie |
| Alerts | Door & Window Open/Close Alerts, Tamper Alerts | Door & Window Open/Close Alerts, Tamper Alerts | Tie |
7% OFF
Prime exclusive deal$27.99
$29.99
- + Connectivity: Bluetooth, Thread Protocol
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $27.99 vs $23.99
- - Rating: 3.7 vs 4.5
Winner
20% OFF
$23.99
$29.99
- + Price: $23.99
- + Rating: 4.5
- + Battery Life: 5 years
- - Connectivity: 2.4 GHz WiFi vs Bluetooth, Thread Protocol
- - Integrations: Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: Aqara Door and Window Sensor P2 or Eufy Entry Sensor E20?
Eufy Entry Sensor E20 has the stronger overall profile in this comparison, especially for price, rating, and battery life.
What is the biggest difference between Aqara Door and Window Sensor P2 and Eufy Entry Sensor E20?
Price is one of the clearest differences: Aqara Door and Window Sensor P2 lists $27.99, while Eufy Entry Sensor E20 lists $23.99.
Which one looks better on price?
Aqara Door and Window Sensor P2 is listed at $27.99, while Eufy Entry Sensor E20 is listed at $23.99. Eufy Entry Sensor E20 (better spec).
Who should buy Aqara Door and Window Sensor P2?
Choose Aqara Door and Window Sensor P2 if your priority is connectivity and integrations and that matters more than price.
Who should buy Eufy Entry Sensor E20?
Choose Eufy Entry Sensor E20 if your priority is price and rating and that matters more than connectivity.
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Compare all 33 Door & Window Sensors side by side
You are looking at two of them. The full table lines up all Door & Window Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 33 Door & Window Sensors
- 41 specs compared
- 36 filters
- Door & Window Sensors
Window and Door Contact Sensor (2nd gen)
- Door & Window Sensors
Entry Sensor
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LoRa Smart Outdoor Contact Sensor
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Solar Outdoor Door Sensor
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Multipurpose Sensor
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Hue Secure Contact Sensor
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BLU Door/Window ZB
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Door and Window Sensor
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Outdoor Contact Sensor
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Contact Sensor
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Window & Door Sensor (3rd Gen)
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SenseGuard DW Gen2
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Door Window Sensor 7
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SmartSensor for Doors & Windows
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Micro Door Sensor
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Door & Window
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All-in-One Sensor
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Door Window Sensor 8
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Window Door Alarm
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SNZB-04P ZigBee Door/Window Sensor
- Air Quality Monitors
TVOC Air Quality Monitor
- Buttons
Cube T1 Pro
- Buttons
Wireless Mini Switch T1
- Buttons
Wireless Mini Switch WXKG11LM
- Cameras
Camera E1
- Cameras
Camera G100
- Cameras
Camera Hub G2H Pro
- Cameras
Camera Hub G3
- Cameras
Camera Hub G350
- Cameras
Camera Hub G5 Pro PoE
- Cameras
Camera Hub G5 Pro WiFi
- Ceiling Lights
Ceiling Light T1M
- Doorbells
Doorbell Camera G400 (Wired)
- Doorbells
Doorbell Camera Hub G410
- Doorbells
Smart Video Doorbell G4
- Door Locks
Smart Lock D200i
- Door Locks
Smart Lock N100 Zigbee Edition
- Door Locks
Smart Lock U100
- Door Locks
Smart Lock U200
- Door Locks
Smart Lock U300
- Cameras
4G Camera S230
- Cameras
4G LTE Cam S330
- Cameras
Cam S3 Pro
- Cameras
Cam S330
- Cameras
Cam S4
- Cameras
eufyCam C35
- Cameras
eufyCam C37
- Cameras
Indoor Cam C120
- Cameras
Indoor Cam E220
- Cameras
Indoor Cam E30
- Cameras
Indoor Cam S350
- Cameras
Outdoor Cam E210
- Cameras
Outdoor Cam E220
- Cameras
PoE Bullet-PTZ Cam E50
- Cameras
SoloCam E30
- Cameras
SoloCam E42
- Cameras
SoloCam E50 (S340 Next-Gen)
- Cameras
SoloCam S220
- Cameras
SoloCam S230
- Cameras
SoloCam S340