OPERA Wireless doorbell AC 230V 90dB black OR-DB-YK-117

• used for sound signaling
• receiver powered directly from 230V mains socket
• battery-powered button (included)
• ideal as a doorbell or paging device
• 48 built-in polyphonic ringtones to choose from
• 4-level ringer volume control< /li>
• learning system (additional transmitters and receivers log in automatically)
• the number of bells and buttons cooperating with each other can be increased as needed
• waterproof bell button
• no bell installation required
• useful at home, in the company, in public utility buildings or people in need of care

Technical parameters:

• power supply: receiver: ~230V/50Hz, transmitter: A23 12V (included)
• range: max 100 meters (in open area)
• volume: 50-90 dB
• protection level: receiver: IP20, transmitter: IP44
• frequency: 433.92 MHz
• dimensions: 110 x 100 x 78 mm ( width/height/depth)