Photo 1 of Shelly Blu Door/Window Black | Bluetooth Operated Sensor | Home Automation | iOS Android App | Alexa & Google Home Compatibility | Lux and Tilt Angle Measurement | Set Custom Activation Scenes

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Photo 1 of Shelly Blu Door/Window Black | Bluetooth Operated Sensor | Home Automation | iOS Android App | Alexa & Google Home Compatibility | Lux and Tilt Angle Measurement | Set Custom Activation ScenesPhoto 2 of Shelly Blu Door/Window Black | Bluetooth Operated Sensor | Home Automation | iOS Android App | Alexa & Google Home Compatibility | Lux and Tilt Angle Measurement | Set Custom Activation Scenes