Shelly BLU Door/Window - door/window sensor, black

Shelly BLU Door/Window – door/window sensor, black

Device identification

• Device name: ShellyBLU Door/Window

• Device model: SBDW-002C

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Overview

ShellyBLU Door/Window is a Bluetooth sensor designed to detect the opening and closing of a door or window.
The device can also:

• Measure the tilt angle (e.g. tilt-and-turn windows/doors)

• Measure light intensity

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Key features

• Long battery life (up to 5 years)

• Door/window open and close detection

• Tilt angle sensor

• Light intensity sensor

• Beacon mode

• Encrypted mode

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Typical applications

• Houses

• Apartments / Hotels / Rental properties

• Small businesses (offices, shops, cafés, etc.)

• Government and municipal buildings

• Universities and colleges

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Connectivity

• Bluetooth 4.2

• Range:

  • Indoors: up to 10 m

  • Outdoors: up to 30 m
    (depending on the environment)

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Operating modes

Regular mode:

• The device sends data (open/closed state, light, battery status) on every opening/closing.

• When a tilt or turn window/door is opened, the device immediately sends:

  • State, light data and battery info

  • 2 s later: tilt angle, light data and battery info

  • From then on, the device checks the tilt angle every 8 seconds

  • If the angle changes, a new message is sent

Beacon mode:

• The device sends the following every 30 seconds:

  • Open/closed state

  • Light intensity

  • Battery status

⚠️ Note: Beacon mode significantly reduces battery life!
Can be enabled in the Shelly Smart Control app.

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User interface

One button on the device:

• Press and hold for 10 seconds – the device enters pairing mode (with a Bluetooth device)

• Press and hold for 30 seconds – factory reset (only possible right after inserting the battery)

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Technical specifications

Parameter	Value
Sensor dimensions	35 × 35 × 7 mm (±0.5 mm)
Magnet dimensions	35 × 12 × 7 mm (±0.5 mm)
Weight (device + battery)	10 g (±1 g)
Weight (magnet)	8 g (±1 g)
Colour options	White, black, brown
Housing material	Plastic
Operating temperature	–20 °C to +40 °C
Humidity	30% to 70% RH
Power supply	1x CR2032 3 V battery (included)
Battery life	Up to 5 years

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Radio parameters

Type	Value
RF band	2400 – 2483.5 MHz
Maximum power	< 4 dBm
Bluetooth protocol	4.2
Encryption	AES (CCM mode)

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Built-in sensors

• Reed switch – for open/close detection

• G-sensor – for measuring movement and tilt angle

• Light sensor – for measuring light level

User manual: Shelly BLU DoorWindow multilingual printed user and safety guide.pdf Manufacturer's website: Shelly BLU Door/Window