Ujewndju Self Generating Doorbell AC 110-240V Wireless Set IP44 Waterproof Battery Free 1 Receiver 2 Push Button for Home tại Lotte Market

Giới thiệu Ujewndju Self Generating Doorbell AC 110-240V Wireless Set IP44 Waterproof Battery Free 1 Receiver 2 Push Button for Home tại Lotte Market

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_______________Product Information______________



Feature:
1. No Battery Required: Self generating wireless doorbell, wiring free, battery free, long distance transmission, two doorbells and one receiver, can be used for front and rear doors.
2. Long Operating Range: Strong penetration, signal matching, do not worry about and next door cross line. Whether you use it in a few rooms away, it is always easy to be notified when someone calls from the door.
3. 58 Ringtones: There are 58 optional ringtones, and the built in speaker can emit rich, clear and stereo sound. There are 4 adjustable levels of volume, and the flashing indicator light is also easy to notice.
4. IP44 Waterproof: Premium materials to prevent itself from being affected by higher temperatures and interference. Could withstands various severe weather conditions, suitable for indoor and outdoor use.
5. Used as Pager: It can not only be used as a doorbell, but also as a pager, suitable for babies, the elderly, pregnant women, sound and light reminders, convenient for the elderly and ear disease patients.

Specification:
Item Type: Self Generating DoorbellMaterial: ABSTransmitter Power Supply: Self generatingTransmitter Size: Approx. 63 x 63 x 20mm/2.48 x 2.48 x 0.79in
Transmitter Working Temperature: -20°C to +60°C
Transmitter Transmission Distance: Open places > apprrox. 150m/492ft
Transmitter RF Frequency: 433MHz
Receiver Power Supply: AC110-240V 50/60Hz
Receiver Power Consumption: 0.25W
Ringtones: 58Receiver Volume: ≥90dB
Receiver Working Temperature: -10℃ to +45℃

Package List:
2 x Push Button1 x Receiver2 x Sticker1 x Manual

Note:
Fault analysis:
1, The doorbell does not ring: check whether the receiver is plugged in, whether the socket is energized.
2, The transmission distance is short: iron doors, iron frames and other metal objects will affect the effective transmission distance. Prevent transmitters and receivers placed from metal objects. Walls and ceilings also affect the distance of transmission. Interference from other wireless devices, etc.