Features:

• Used for audio signaling, ideal as a doorbell or intercom device.
• Battery powered for the receiver and transmitter.
• Protection level: Receiver: IP20, Transmitter: IP44.
• 48 built-in polyphonic ring tones to choose from.
• Number of doorbells and buttons can be increased as needed.
• Learning system (automatic connection) without the need for doorbell installation.
• Useful at home, in companies, public buildings, or for people who need care.
• Range: Up to 100 meters (in open spaces).
• Volume: 50-90 dB (adjustable).
• Dimensions: 120 x 87 x 35 mm (width/height/depth).
• Frequency: 433.92 MHz.
• Wireless doorbells.