Wireless Doorbell Battery-free Self-generated Long

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Description:
With outdoor waterproof and rainproof design, the smart wireless doorbell can prevent rainwater from intruding to ensure a long service life.
This doorbell requires no batteries and no open-hole wiring, which enables power generation at the touch of a finger and easy installation.
It is constructed of ABS material. It has undergone 200,000 continuous press tests to ensure long-term product life.
The length of the receiver is 6.3cm, the width is 8cm and the height is 3cm. The length of the transmitter is 4.6cm, the width is 7.1cm and the height is 1.7cm.
A dual-purpose product, not just a doorbell, but also pagers for the elderly, pagers for pregnant women, and pages for babies.

Item Name: Doorbell
Material: ABS
Style: A: 1 Receive 1, B: 1 Receive 2, C: 1 Receive 3, D: 2 Receive 1, E: 2 Receive 2
Working Voltage: 110V-220V
Receiving Distance: Open Area: >200m, Indoor: About 30m
Features: LED Light Function, Easy Installation, Self-generated
Size Details:
Receiver Size: 6.3cm x 8cm x 3cm/2.48" x 3.15" x 1.18" (Approx.)
Transmitter Size: 4.6cm x 1.7cm x 7.1cm/1.81" x 0.67" x 2.8" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Doorbell Receiver
1 x Doorbell Transmitter