Wireless DC doorbell,3V,38 Melodies,learning system,D3957F
Description
🛠 Product Overview
LUCKARM presents the D3957F series, the industry-standard for battery-operated wireless doorbells. Designed for global distribution, these DC models provide a plug-free solution for markets where AC socket standards vary or aren't accessible.
📦 Logistics & Packaging Data (For Importers)
- Standard Packaging: Color Box / Double Blister
- QTY/CTN:60 PCS
- Sample Service: Available for quality verification
- Lead Time: 25-35 days for bulk orders
💡 OEM/ODM Customization Services
We support professional customization for global distributors:
1. Logo Printing: Custom logo on button/receiver.
2. Custom Packaging: Designed according to your brand identity.
3. Frequency Adjustment: Specialized frequencies for different regions.
4. Certificate Support: Assistance in local compliance testing.
General information:
| Type of current: | DC |
| Nominal voltage [V]: | 3 |
| Color | White Black |
| Sound | 38 |
| Loudness [dB] | 50-90 |
| Volume adjustment | Yes |
| Power supply(Receiver) | 3*1.5V AA battery(not included) |
| Power supply(Button) | 1*23A 12V battery(included) |
| Material | ABS Plastic |
| Working Range | 100M |
| Work Frequency | 315MHz/433MHz |
| Certificate | CE RoHS |
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