Home > Products > New Products > New Product on Sale Battery-free USB Doorbell Produced in Qingdao 433MHz Wireless Doorbell
New Product on Sale Battery-free USB Doorbell Produced in Qingdao 433MHz Wireless Doorbell
US$ 5 - 6
/ Set
3000 Sets(Min. Order)
- Qingdao
- T/T Credit Card
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Product Details
| Place of Origin | Shandong, China | Brand Name | AuGreener | |
| Model Number | U2 | Power Source | Plug | |
| Doorbell Type | Wireless |
Product Description
NEW PRODUCT BATTERY-FREE USB DOORBELL
Tech Intro
Battery-free wireless doorbell requires no battery and no wire. It uses the unique energy harvesting technology and ultra low-power wireless technology with worldwide patents pending.
When users press the button, energy converting module inside will convert the mechanical energy into electrical energy. The wireless module of the button will send signals to the receiver, which will receive signals and play music.
Advantages of battery- free USB doorbell
1.battery-free
2.self-powered
3. waterproof transmitter
4. working range in the open area 80 meters
5. convenient to use
6. 38 phlyphony ring tones
7.USB port receiver
Pictures of battery- free USB doorbell
Contact Us
- Qingdao Alptec Safety Equipment Co., Ltd.
- Contact nameCatherine Zhang Chat Now
- Phone86-0532-86769727
- AddressNo.13 Hancheng Road, Qingdao Free Trade Zone, Shandong Province, 266555. P. R. China, Qingdao, Shandong
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| Leakage Detection | New Products | Overfill Protection & Grounding Systems | Overfill Protection Products |
| Static Grounding products |
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