Updated September 2026
Data from Amazon and official Eufy and YoLink sites.
2026 verdict
For most buyers in 2026, YoLink LoRa Smart Outdoor Contact Sensor is the safer pick over Eufy Entry Sensor E20 because of price, rating, and warranty.
Its clearest strengths are price, rating, and warranty, and it still looks stronger on weather resistance and integrations. Eufy Entry Sensor E20 is the better fit only for buyers who prioritize its specific feature mix above everything else here. For most setups, YoLink LoRa Smart Outdoor Contact Sensor is the smarter buy.
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Winner
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| Feature | Eufy Entry Sensor E20 | YoLink LoRa Smart Outdoor Contact Sensor | Winner |
|---|---|---|---|
| Price | $29.99 | $24.99 | YoLink LoRa Smart Outdoor Contact Sensor |
| Rating | 4.4 | 4.5 | YoLink LoRa Smart Outdoor Contact Sensor |
| Warranty | 1 year | 2 years | YoLink LoRa Smart Outdoor Contact Sensor |
| Weather Resistance | NO | IP63 | YoLink LoRa Smart Outdoor Contact Sensor |
| Integrations | Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | YoLink LoRa Smart Outdoor Contact Sensor |
| Battery Life | 5 years | 5 years | Tie |
| Connectivity | 2.4 GHz WiFi | Other | Tie |
| Sensors | Door & Window Open/Close | Door & Window Open/Close | Tie |
| Alerts | Door & Window Open/Close Alerts, Tamper Alerts | Door & Window Open/Close Alerts | Tie |
- - Price: $29.99 vs $24.99
- - Rating: 4.4 vs 4.5
Winner
- + Price: $24.99
- + Rating: 4.5
- + Warranty: 2 years
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Eufy Entry Sensor E20
- YoLink LoRa Smart Outdoor Contact Sensor
Loading price history...
Frequently Asked Questions
Which is better overall: Eufy Entry Sensor E20 or YoLink LoRa Smart Outdoor Contact Sensor?
YoLink LoRa Smart Outdoor Contact Sensor has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Eufy Entry Sensor E20 and YoLink LoRa Smart Outdoor Contact Sensor?
Price is one of the clearest differences: Eufy Entry Sensor E20 lists $29.99, while YoLink LoRa Smart Outdoor Contact Sensor lists $24.99.
Which one looks better on price?
Eufy Entry Sensor E20 is listed at $29.99, while YoLink LoRa Smart Outdoor Contact Sensor is listed at $24.99. YoLink LoRa Smart Outdoor Contact Sensor (better spec).
Who should buy Eufy Entry Sensor E20?
Choose Eufy Entry Sensor E20 if your priority is its specific strengths and that matters more than price.
Who should buy YoLink LoRa Smart Outdoor Contact Sensor?
Choose YoLink LoRa Smart Outdoor Contact Sensor if your priority is price and rating and that matters more than the competing advantages.
Full comparison table
Compare all 28 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.
- 28 Door & Window Sensors
- 40 specs compared
- 35 filters
RingWindow and Door Contact Sensor (2nd gen)
$14.99
EufyEntry Sensor
$29.99
PhilipsHue Secure Contact Sensor
$39.99- YoLink
LoRa Smart Outdoor Contact Sensor
$24.99 
YoLinkSolar Outdoor Door Sensor
$31.99
AeotecMultipurpose Sensor
$38.99
ShellyBLU Door/Window ZB
$22.99
AqaraDoor and Window Sensor
6% OFF$17.99$16.99
RingOutdoor Contact Sensor
$49.99- Eufy
Entry Sensor E20
$29.99 
SonoffSenseGuard DW Gen2
SwitchBotContact Sensor
$16.99
EcobeeSmartSensor for Doors & Windows
$59.89
AeotecDoor Window Sensor 7
$34.99
CentraliteMicro Door Sensor
$43.51
EveDoor & Window
14% OFF$43.95$38.00
HeimanWindow Door Alarm
$19.98
ArloAll-in-One Sensor
7% OFF$29.99$27.90
SonoffSNZB-04P ZigBee Door/Window Sensor
$18.99
SonoffDW2-WIFI
$12.23
CamerasEufy4G Camera S230
3.9(198)$109.99
CamerasEufy4G LTE Cam S330
4.0(1,274)20% OFF$249.99$199.99
CamerasEufyCam S3 Pro
4.4(314)$219.99
CamerasEufyCam S330
4.3(962)32% OFF$219.99$149.99
CamerasEufyCam S4
4.2(281)$349.99
CamerasEufyIndoor Cam C120
4.3(587)$29.99
CamerasEufyIndoor Cam E220
4.4(21,493)9% OFF$54.99$49.99
CamerasEufyIndoor Cam E30
4.4(2,491)14% OFF$69.99$59.99
CamerasEufyOutdoor Cam E210
4.4(1,637)$59.99
CamerasEufyOutdoor Cam E220
4.2(2,041)$79.00
CamerasEufyPoE Bullet-PTZ Cam E50
$249.99
CamerasEufySoloCam E30
4.2(1,336)33% OFF$149.99$99.98
CamerasEufySoloCam E42
4.3(1,282)28% OFF$179.99$129.99
CamerasEufySoloCam S220
4.2(6,652)30% OFF$99.99$69.99
CamerasEufySoloCam S230
4.4(145)$129.99
CamerasEufySoloCam S340
4.2(6,961)30% OFF$199.99$139.99
CamerasEufyTrackLight Cam S1
$299.99
CamerasEufyWall Light Cam S4
4.0(32)$249.99
CamerasEufyWired Cam C31
4.2(635)23% OFF$59.99$45.99
DoorbellsEufyVideo Doorbell C31 (with Battery Pack)
4.0(150)$129.99
CamerasYoLinkUno
4.2(135)$69.99- Door & Window SensorsYoLink
LoRa Smart Outdoor Contact Sensor
4.5(1,005)$24.99 - Door & Window SensorsYoLink
Solar Outdoor Door Sensor
4.5(1,005)$31.99 
HubsYoLinkHub
4.5(1,420)21% OFF$29.99$23.59
Motion SensorsYoLinkIndoor Motion Sensor RT
4.5(2,006)$27.99
Motion SensorsYoLinkLoRa 1/4 Mile Motion Sensor
4.5(2,006)$23.99
PlugsYoLinkMini Plug
4.6(702)$19.99
PlugsYoLinkSmart Outdoor Energy Plug
4.6(702)15% OFF$32.98$27.99
Smoke & CO DetectorsYoLinkPhotoelectric Smoke Alarm
5.0(13)$49.99
Temperature & Humidity SensorsYoLinkSmart Wireless Thermometer Hygrometer
4.7(871)10% OFF$16.14$14.48
Water Leak SensorsYoLinkWater Leak Sensor 1
4.6(6,909)15% OFF$19.99$16.99
Water Leak SensorsYoLinkWater Leak Sensor 4
4.7(1,710)29% OFF$23.99$17.09
Water ValvesYoLinkSmart Sprinkler Timer
4.6(31)8% OFF$59.99$54.99