A Clear Overview at a Glance
No need to check every room manually—thanks to the Bosch Smart Home Door/Window Contact II Plus, you can instantly see in the app whether any window or door is open or closed. Whenever a status change occurs, you receive a push notification or widget update, whether you're at home or away.
Optimal Intrusion Protection
When connected to the Bosch alarm system, the sensor immediately triggers an alert if a door or window is opened while the system is armed. The Plus version offers even more security by also detecting shocks or vibrations. Even smarter: when the system is activated, you'll be notified of any breach involving open or tampered doors or windows.
Smart Ventilation for Energy Efficiency
With the “Sustainable Ventilation” feature, the sensor detects when a window is opened for airing out a room. It automatically signals connected smart thermostats to lower the temperature, helping you save energy without losing comfort.
Versatile Usage
Compact, discreet, and water-resistant (IP45), this device can be placed anywhere you want to monitor open or closed status:
- Doors and windows
- Garage doors
- Garden sheds and gates
- Medicine cabinets
- Cleaning closets and pantries
- Mailboxes
- And much more!
Let your creativity guide you—this little device keeps you informed of every opening or closing throughout your home.
Effortless Heating Optimization
Don't waste energy heating the outdoors. When the contact sensor detects an open window, it can automatically lower the temperature via connected thermostats, saving on energy costs effortlessly.
Multifunction Button
The integrated button adds extra convenience. A double-click activates a pause mode, allowing one-time opening or closing without triggering automations or alarms. Perfect for letting your dog out or quickly ventilating a room without disruptions.
Key Features of Model 8750002090
- Reliable detection of door/window openings and shocks
- Triggers alarms when openings or shocks are detected
- Identifies security breaches while the alarm system is active
- Built-in button for customizable actions
- Enables automatic heating reduction when windows are opened
Technical Specifications 8750002090
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Device Type: BSEN-CV
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Part Number: 8750002092
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EAN: 4062321542566
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Protection Rating: IP45
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Operating Temperature: -20°C to +60°C
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Max Humidity: 85% (non-condensing)
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Dimensions: 22×75×23 mm / 13×46×23 mm
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Weight: 22 g / 12 g
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Radio Frequency: 2.4 – 2.4835 GHz
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Radio Protocol: ZigBee 3.0
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Max Transmission Power: 10 mW
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Open Field Range: < 100 m
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Software Class: A
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Receiver Class: 2
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Battery: 1× CR123A
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Battery Life (normal use): up to 3 years
