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New Product on Sale Battery-free USB Doorbell Produced in Qingdao 433MHz Wireless Doorbell
US$ 5 - 6
MOQ: 3000 Sets
Key Specifications
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Place of Origin:
Shandong, China
Brand Name:
AuGreener
Model Number:
U2
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
Delivery time depends on order quantity.
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Place of Origin
Shandong, China
Brand Name
AuGreener
Model Number
U2
Power Source
Plug
Doorbell Type
Wireless
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
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Business Type
Manufacturer, Trading Company
Year Established
2004
Factory Size
1,000-3,000 square meters
Total Employees
51 - 100 People
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