what are the dimensions of the sensors

Sensor Unit = W = 41mm D = 22mm H = 12mm Magnet Unit W = 25mm H = 10mm D = 10mm Hope this helps.

Does this device trigger Alexa routines?

So long as you have the gateway device, e.g. the E1, then yes. Otherwise it will be detected in Alexa but you cannot use it for anything.

do these things work with ZHA (in home assistant) or do i need zigbee2mqtt?

According to my Home Assistant friend the aqara devices work in Home assistant, but if you do use Home Assistant you can't use the Aqara App also. Only one or the other not both together. Hope this helps.

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Aqara Zigbee Door and Window Sensor 3Pack, Aqara Hub Required

Aqara Zigbee Door and Window Sensor 3Pack, Aqara Hub Required

Product ID: 447422647

Details

Brand
Aqara
Item dimensions L x W x H
41 x 22 x 11
Item weight
46.5 Grams
Mounting type
Window Mount
Style
Door and

📶Zigbee wireless tech

🔔Instant unauthorized entry alerts

🛠️Supports up to 32 devices per hub

₨1718

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Description

🔐 Stay a step ahead—secure smarter, live freer!

UNIVERSAL FIT DESIGN - Works with doors, windows, drawers, and cabinets up to 22mm gap
INSTANT SECURITY ALERTS - Real-time notifications and local alarms for unexpected openings
HANDS FREE VOICE CONTROL - Compatible with Apple HomeKit and Alexa for effortless command
SMART HOME AUTOMATION HUB - Automate lights, locks, and more based on door/window status
SEAMLESS ZIGBEE CONNECTIVITY - Reliable 2.4 GHz wireless link for smart home integration

The Aqara Zigbee Door and Window Sensor 3Pack offers wireless, real-time security alerts and smart home automation via Zigbee technology. Compatible with Apple HomeKit and Alexa, it supports up to 32 devices per Aqara Hub (sold separately) and fits a wide range of door and window types with a 22mm gap allowance. Ideal for millennial professionals seeking seamless, voice-controlled home security and automation.

Specifications

ASIN	B09TP7VMKB
Best Sellers Rank	10,060 in DIY & Tools ( See Top 100 in DIY & Tools ) 9 in Home Security Door & Window Sensors
Brand	Aqara
Country Of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (1,613)
Item Dimensions	41 x 22 x 11 millimetres
Item Highlight	Wireless Mini Contact Sensor for Alarm System & Smart Home Automation, Compatible with HomeKit, Home Assistant, Alexa
Item Weight	46.5 Grams
Manufacturer	Aqara
Manufacturer Part Number	TZ-006
Model Number	MCCGQ11LM
Mounting Type	Window Mount or Door Mount
Number of Items	3
Number of Packs	3
Specific Uses For Product	home security, home automation
Style Name	Door and Window Sensor*3

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₨1718

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

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