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Door & Window Sensors · Head to head

SwitchBot Contact Sensor vs YoLink Solar Outdoor Door Sensor

Full Smart Door & Window Sensors comparison in 2026

Updated September 2026
Data from Amazon and official SwitchBot and YoLink sites.
2026 verdict
For an indoor sensor that does more than open and close, the SwitchBot Contact Sensor is the better buy, priced lower than the YoLink Solar Outdoor Door Sensor.
SwitchBot Contact Sensor
Winner
SwitchBot Contact Sensor
$16.99
Buy on Amazon USACheck price
It also adds motion and ambient light sensing on top of contact detection, and connects directly to Home Assistant over Bluetooth, with Alexa, Google Home, Samsung SmartThings and Matter added through a SwitchBot Hub. The YoLink Solar Outdoor Door Sensor answers with what it was actually built for: a higher owner rating, a longer 2 year warranty, and an IP67 weatherproof shell charged by its own solar panel, none of which the indoor-only SwitchBot Contact Sensor can claim. Choose the SwitchBot Contact Sensor for an affordable, multi-sensing indoor device, and the YoLink Solar Outdoor Door Sensor for a gate, pool entry or shed exposed to the weather.
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FeatureSwitchBot Contact SensorYoLink Solar Outdoor Door SensorWinner
Price$16.99$31.99SwitchBot Contact Sensor
Rating4.34.5YoLink Solar Outdoor Door Sensor
Warranty1 year2 yearsYoLink Solar Outdoor Door Sensor
Weather ResistanceNOIP67YoLink Solar Outdoor Door Sensor
SensorsDoor & Window Open/Close, Light, MotionDoor & Window Open/CloseSwitchBot Contact Sensor
AlertsDoor & Window Open/Close Alerts, Motion AlertsDoor & Window Open/Close AlertsSwitchBot Contact Sensor
ConnectivityBluetoothOtherTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterAlexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie

What the differences mean

Weather resistance

The YoLink Solar Outdoor Door Sensor is rated IP67, fully dust-tight and waterproof. The SwitchBot Contact Sensor has no weather resistance rating and is built for indoor use.

Extra sensing

The SwitchBot Contact Sensor also detects motion and ambient light alongside door and window contact. The YoLink Solar Outdoor Door Sensor senses open and closed only.

Power

The YoLink Solar Outdoor Door Sensor charges a hybrid layer capacitor from its own solar panel, so there is no battery to replace. The SwitchBot Contact Sensor runs on two AAA batteries rated for about 3 years.

Warranty

The YoLink Solar Outdoor Door Sensor carries a 2 year warranty. The SwitchBot Contact Sensor is covered for 1 year.

What it connects to

The SwitchBot Contact Sensor works with Home Assistant directly over Bluetooth, with a SwitchBot Hub adding Alexa, Google Home, SmartThings and Matter. The YoLink Solar Outdoor Door Sensor needs a YoLink hub for everything beyond Alexa and Home Assistant.

Which one to buy if

What owners say

SwitchBot Contact Sensor owners like that one small unit covers three jobs: door and window contact, motion and ambient light, all recognized instantly once a SwitchBot Hub is added. Installation is called a genuine peel-and-stick affair, pairing in under five minutes with alignment marks to help, and alerts are described as fast with essentially no latency, which owners lean on for garage doors and entry points. The most common caveat is the hub: without a SwitchBot Hub Mini or Hub 2 the sensor is limited to local Bluetooth in the SwitchBot app, with no remote access or voice assistant, and several one-star reviews trace back to buyers who didn't expect that. A smaller number mention the 3M adhesive struggling in sub-freezing cold, for which they swap in a cold-rated tape or Command strip.

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.

  • SwitchBot Contact Sensor
  • YoLink Solar Outdoor Door Sensor

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Frequently Asked Questions

Which is better overall: SwitchBot Contact Sensor or YoLink Solar Outdoor Door Sensor?

The SwitchBot Contact Sensor, on price, and it adds motion and light sensing beyond plain contact detection. The YoLink Solar Outdoor Door Sensor counters with a higher owner rating, a longer warranty and true outdoor weatherproofing.

Can the SwitchBot Contact Sensor be used outdoors?

No. It has no weather resistance rating and is meant for indoor doors, windows and cabinets. The YoLink Solar Outdoor Door Sensor is the one built for that, rated IP67.

Does the YoLink Solar Outdoor Door Sensor ever need a battery change?

No. A solar panel charges a hybrid layer capacitor instead of a replaceable battery, so it only needs a mounting spot that gets some daylight.

Do both sensors need a hub?

The SwitchBot Contact Sensor connects directly to Home Assistant over Bluetooth, but needs a SwitchBot Hub for Alexa, Google, SmartThings and Matter. The YoLink Solar Outdoor Door Sensor needs a YoLink hub for everything beyond Alexa and Home Assistant.

Who should buy the SwitchBot Contact Sensor?

Buyers who want an affordable indoor sensor that also detects motion and light, especially with Home Assistant or a SwitchBot Hub already in place.

Who should buy the YoLink Solar Outdoor Door Sensor?

Anyone monitoring a gate, shed or other opening exposed to the weather, where an IP67 shell and a battery that never needs replacing matter more than indoor extras.

Full comparison table

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