STERR DBX100 - Battery-Free Wireless Doorbell, 150 m RangeDBX100 Battery free wireless doorbell with modern design and Kinetic Technology, featuring wireless range up to 150 m and 52 selectable ringtones. Product Features Modern and elegant design Battery free operation with Kinetic Technology Wireless range up to 150 meters 52 selectable ringtones 4 volume levels Easy installation and maintenance Weatherproof design for outdoor use Warranty: 24 months Technical Specifications Colour: White Dimensions (WDH):

Motor speed: 1850 RPM

Diameter: 99 mm

ALD200_10 – Flexible aluminum duct tube for ventilation systems

Plastic transport caps (discard before installation)

Motor speed: 1400 RPM

Colour: Grey

HVAC systems

Insulation: Thickness 25 mm

LFS120-QT – Quiet bathroom fan with timer function providing reliable ventilation with automatic shut-off for bathrooms and toilets

Heating medium: water

Suitable for residential

Airflow: 320 m³/h