AC100-220V Battery-free wireless doorbell no battery need and no wire.
It uses unique energy harvesting technology and ultra-low-power wireless technology with worldwide patents pending.
Help you to save your money and power.
When users press the button, energy converting module inside will change the mechanical energy into electric energy.
Then the wireless module of the button sends the signals to receiver.The receiver receives the signals and plays music/react.
Specification : WaterProof.
Power: AC100-220V(receiver), Self-powered(push button)
Working range: 120m in open area
RF Frequency: 433MHz Volume: 3 files (can be mute)
Sound Level: 85dBA@3ft (receiver)
Power Consumption: 820mW (receiver)
Operating Forces: 10N (push button)
Dimensions: 80×60×47mm (receiver), 79×44×33mm (push button)
Ring Tone: 36 polyphony ring tones Color: White ( ABS) Plug: EU/US Note: Press the pressure is slightly larger than the traditional doorbell, to ensure adequate power generation. Package includeds : 1/2 x Indoor Receiver 1 x Outdoor Transmitter 1 x English User Manual 1 x Double-sided Adhesive Tape
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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