Wireless Doorbell GreenBlue GB237 B, 38 Melodies, up to 200 m, Black
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Choose countryThe GreenBlue GB237 B is a practical wireless doorbell designed to alert you of visitors without running cables. The set consists of a touch-button transmitter and a battery-operated receiver that can be placed wherever it is needed most.
38 Melodies and Adjustable Volume
This model features 38 selectable sound signals, including melodies and short notification sounds. Four volume levels let you easily adjust the sound intensity according to room size and personal preference.
Flexible Installation
With an operating range of up to 200 m in open space and battery operation, the doorbell is suitable for homes, apartments, offices, shops, or workshops. The transmitter has an IP44 protection rating, a blue LED indicator upon pressing, and mounts using the included double-sided tape.
| Manufacturer | GreenBlue |
|---|---|
| Model | GB237 B |
| Color | Black |
| Material | Plastic |
| Transmission range | up to 200 m (in open space) |
| Operating frequency | 433 MHz |
| Maximum radio frequency power | 10 mW |
| Transmitter power supply | 1x 12V 23A battery (included) |
| Receiver power supply | 3x 1.5V AA batteries (not included) |
| Receiver power consumption | 1 W |
| Number of melodies | 38 |
| Volume adjustment | 4 levels |
| Ringtone volume | > 50 dB/1m |
| Transmitter operating temperature | -20°C/ +60°C |
| Receiver operating temperature | -10°C/ +45°C |
| Transmitter dimensions | 76 x 45 x 17 mm |
| Receiver dimensions | 114 x 71 x 30 mm |
| Transmitter weight | 26 g |
| Receiver weight | 70 g |
| Transmitter protection rating | IP44 |
| Receiver protection rating | IP20 |
| Transmitter signaling | Blue LED light upon pressing button |
| Transmitter mounting method | Double-sided tape (included) |
| Receiver mounting method | Free-standing, hanging hole |
| EAN | 5902211149385 |
|---|
What batteries are required to operate the doorbell?
The transmitter runs on one 12V 23A battery, which is included. The receiver requires three 1.5V AA batteries, which are not included.
How are the transmitter and receiver mounted?
The transmitter mounts using the supplied double-sided tape. The receiver can stand on a flat surface or be hung on a wall using its integrated hanging hole.
What is the wireless operating range?
The transmission range reaches up to 200 meters in open space.
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