Wireless DC doorbell,4.5V,32 Melodies,learning system,D3920

Product data sheet Interested

Description

🛠 Product Overview
The D3920 series features a high-grade ABS shell and 38 Melodies, making it the perfect choice for outdoor installation in harsh environments.

📦 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]:	4.5
Color	Black White Grey
Sound	38
Loudness [dB]	50-90
Volume adjustment	Yes
Power supply(Receiver)	3*1.5V AAA battery(not included)
Power supply(Button)	1*23A 12V battery(included)
Material	ABS
Working Range	250M(in open area)
Work Frequency	433MHz
Certificate	CE RoHS