青岛澳格纳电子技术有限责任公司
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描述
联络供应商
描述
• The world's first battery free wireless doorbell with self-powered doorbell button. Plug in doorbell chimes
• No batteries, no pollution.
• No wires, no limits.
• 20 years service life.
• Super long distances of 120 meters.
• Product Overview:
• Battery-free wireless doorbell chime uses energy harvesting technology. Mechanical energy produced by user’s pressure on the button could be changed into electric energy. No wiring, external power, or batteries are required. wireless doorbell plug in
• No batteries, no pollution.
• No wires, no limits.
• 20 years service life.
• Super long distances of 120 meters.
• Product Overview:
• Battery-free wireless doorbell chime uses energy harvesting technology. Mechanical energy produced by user’s pressure on the button could be changed into electric energy. No wiring, external power, or batteries are required. wireless doorbell plug in
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