Technical specifications:

• Color: black
• Transmission type: Wireless
• Expandable with additional transmitters: yes
• Range in open space: 200 m
• Other features: learning system
• Receiver power type: mains (230V)
• Number of ringtones: 36
• Ringtone volume level (dB): 60-90
• Volume control: yes
• Visual signaling: yes
• Receiver dimensions - width: 81 mm
• Receiver dimensions - height: 81 mm
• Receiver dimensions - depth: 35 mm
• Transmitter power type: battery-free
• Transmitter protection level: IP44
• Transmitter dimensions - width: 50 mm
• Transmitter dimensions - height: 82 mm
• Transmitter dimensions - depth: 21.5 mm

Set of two wireless doorbells with battery. The free button is intended for use in homes, apartments, offices, hospitals, shops, etc. No doorbell installation required. Used for sound and light signaling. The learning system function allows you to connect additional buttons. The receivers have 4-level volume control and 36 polyphonic ringtones to choose from.