The Grundig 42131 wireless doorbell alerts you with 60 different melodies and a blue LED. Its range reaches up to 300 m in open areas, and the volume can be adjusted to 5 levels. The receiver plugs directly into a power outlet, while the outdoor transmitter is battery-powered.

• Type: Wireless doorbell
• Range: Up to 300 m in open areas
• Melodies: 60
• Volume levels: 5
• Operating frequency: 433.9 MHz
• Visual alert: Blue LED
• Protection rating: IP44
• Receiver power supply: AC 100–240 V, 50–60 Hz
• Receiver power consumption: 0.5 W
• Transmitter power supply: 1 × 23A 12 V alkaline battery
• Transmitter battery: Included
• Colour: Black
• Installation: Wireless, no wiring required
• Package contents: Screws, double-sided adhesive tape and a “Please ring bell” sticker