Grothe 43640 radiokello salamavalolla

Wireless chime receiver with a powerful flashing light, offering both audible and visual alerts for doorbell signals. The Grothe 43640 operates on 868.35 MHz with a range of up to 500 meters in open field, ensuring reliable notification even in large homes or offices. It supports up to 8 self-learning transmitters, allowing you to connect multiple doorbells or sensors.

Advantages

Combines 17 selectable melodies with a bright white LED flash, adjustable volume up to 83 dB(A), and four operating modes: chime only, flash only, chime + flash, or mute + flash. The self-learning coding method simplifies pairing with compatible Grothe transmitters.

Suitable for

• Homes needing visual alerts for hearing-impaired individuals
• Offices or workshops with high ambient noise
• Areas where a wired chime is impractical

Key specifications

• Wireless frequency: 868.35 MHz
• Range: 500 m (free field)
• Melodies: 17 selectable
• Volume: adjustable, up to 83 dB(A)
• Visual alert: white LED flashing light
• Operating modes: 4 (chime only, flash only, chime + flash, mute + flash)
• Power: 4x 1.5V AA batteries (not included) or 8-12V AC/DC (optional)
• Mounting: wall-mountable or tabletop
• Housing: plastic, white/silver

Recommendations

For best performance, install the chime within line-of-sight of the transmitter and avoid metal obstacles. Use high-quality AA batteries or an optional power supply for continuous operation.