Ujewndju Cordless Doorbel Set Door Bell Kit IP44 Waterproof Self Generating Sound Light Remind for the Elderly Babies Pregnant tại Lotte Market
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Giới thiệu Ujewndju Cordless Doorbel Set Door Bell Kit IP44 Waterproof Self Generating Sound Light Remind for the Elderly Babies Pregnant tại Lotte Market
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_______________Product Information______________
Feature:
1. Adjustable Ringtones and Volume: 58 ringtones to choose from, the ringtone volume is greater than 90dB, and the volume is adjustable in 4 levels to meet your personalized needs.
2. Self Generating Doorbell: When you press your finger, the kinetic energy is converted into electric energy, free of wiring, no battery, and long distance.
3. Waterproof: IP44 high temperature resistance and waterproof, the working temperature range is ‑10°C‑+45°C, effectively prolonging the service life.
4. Multipurpose: Not only a doorbell, but also used as a pager, the receiver receives signals, sound and light reminders, suitable for babies, the elderly, pregnant women, guarding family members.
5. Wide Application: The wireless doorbell has a stable signal and is widely used in various places, such as shops, hotels, office areas, villas, shops, family homes and other places.
Specification:
Item Type: Wireless Doorbell Set
Material: ABS
Transmitter
Power Source: Self generated
Size: Approx. 63x63x20mm/2.48x2.48x0.79inAmbient Temperature: -20°C-+60°C
Transmission Distance: Open space > 150M
RF Frequency: 433MHz
Receiver
Power Supply: AC110-240V 50/60Hz
Power Consumption: 0.25W
Ringtones: 58
Ringtone Volume: ≥90dB
Ambient Temperature: -10℃-+45℃
Package List:
2 x Doorbell2 x Internal Machine2 x Sticker1 x Manual
How to Use
Troubleshooting:
1. The doorbell does not ring: Check whether the receiver is plugged in and the socket is powered on.
2. Short transmission distance: Metal objects such as iron doors and iron frames will affect the effective transmission distance. Avoid placing the transmitter and receiver near metal objects. Walls and ceilings also affect the transmission distance. Interference from other wireless devices, etc.
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