The switch of the wiresless doorbell works through dynamo technology. The touch pad switch does not require any external power unit. The power is created through the dynamo inside the switch unit.
The innovative KINETIC Battery-Free Wireless Doorbell no longer requires any batteries.

• With two bells for greater efficiency
• 20 different melodies to choose from the receiver unit
• Easy to install and has a discrete design to fit everywhere
• 3 stage, adjustable volume options on the receiver
• Low power consumption
• Ideal for using in your home, office and shop
• Frequency: 433 MHz +/-1 MHz
• Power supply (bell): AC 200-240V
• Power supply (push button): Self-powered
• Protection: IP44
• Range: 100 m
• Indoor unit size: 120 x 72 x 65 mm
• Outdoor unit size: 92 x 45 x 26 mm
• Color: Black