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

🗣️Voice control via HomeKit & Alexa

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Description

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

HANDS FREE CONTROL - Works effortlessly with Apple HomeKit and Alexa voice commands
WIDE COMPATIBILITY - Fits doors, windows, drawers & cabinets with up to 22mm gap
SMART HOME AUTOMATION - Automate lights, locks, and more triggered by door/window status
INSTANT SECURITY ALERTS - Real-time notifications and local alarms for unexpected door/window openings
SEAMLESS ZIGBEE CONNECTIVITY - Reliable 2.4 GHz wireless link for up to 32 devices on one hub

The Aqara Zigbee Door and Window Sensor 3Pack offers compact, wireless security sensors that detect unauthorized entry and instantly alert your phone while triggering local alarms. Designed for seamless integration with Aqara Hub and compatible with Apple HomeKit and Alexa, it supports smart home automation for up to 32 devices. Its versatile design fits various fixtures with gaps up to 22mm, making it an essential upgrade for modern, connected home security.

Specifications

ASIN	B09TP7VMKB
Best Sellers Rank	9,585 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 (1,617)
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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₨1713

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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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