SKU: 23894559385

Smatrul Self-Powered Wireless Model Doorbell - BLACK (2 Button / 1 Receiver)

$291.60 $324.00
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

Smatrul Self-Powered Wireless Model Doorbell - BLACK (2 Button / 1 Receiver)60 Music Selection The doorbell has 60 melodies for you to choose from, and the doorbell volume has 4 adjustable levels, namely "Large, Medium, Small, Silent" levels, from 0dB to 110dB. The pleasant sound of the wireless doorbell can spread throughout the house and walls, and can be heard anywhere in the house to notify you that a guest has arrived. Battery free transmitter The transmitter of this wireless doorbell does not require the installation of

【60 Music Selection】

The doorbell has 60 melodies for you to choose from, and the doorbell volume has 4 adjustable levels, namely "Large, Medium, Small, Silent" levels, from 0dB to 110dB. The pleasant sound of the wireless doorbell can spread throughout the house and walls, and can be heard anywhere in the house to notify you that a guest has arrived.

【Battery-free transmitter】

The transmitter of this wireless doorbell does not require the installation of batteries. The principle is to drive the wireless signal by pressing and generating electricity. It is waterproof, does not require batteries, and is green and environmentally friendly. You no longer have to worry about replacing batteries. (Only supported by Model B)

【LED indicator】

When the transmitter is pressed, and a signal is received, the blue LED indicator on the receiver flashes. This function is also helpful for people with severe hearing loss.

 

【Suitable for multiple scenarios and diverse groups of people】

This home wireless doorbell uses RF433 high-frequency electronic technology, which has strong anti-interference ability, ensuring that multiple groups of devices can work separately without crosstalk. This wireless doorbell is ideal for classrooms, offices, hospitals, restaurants, and factories. In addition to the doorbell function, this wireless doorbell can also be used as a night light or a pager for the elderly, making it a versatile device suitable for any environment.


【Easy to install and use】

This wireless doorbell does not require a WiFi connection or wires; just stick the doorbell wireless button on the door and plug the receiver into the socket. Please note that although this doorbell wireless button can be installed on nearby walls, it is not recommended to install it on metal doors.

--Transmitter installation method:

 

1. Double-sided sticker

Use one side of the double-sided sticker to stick to the bottom of the transmitter, and the other side to stick to the place to be installed (it is not recommended to install on iron doors, which will affect signal transmission)

 

2. Screw installation

First, determine the installation location, then use professional tools to drill holes in the wall and install rubber plugs, fix the bottom cover to the wall with screws, and then push the transmitter along the slide rail to lock it in place. (Please refer to the manual for specific steps)

 

Technical parameters:

 

--Power supply: self-generated (no battery required for Type B). CR203 (Type A)

--Power consumption: 0.25W

--Music: 60pcs

--Ringtone volume: maximum 110db

--Weight: 120g

--Signal transmission distance: greater than 150 meters (open area)

--RF frequency: 433MHZ

--Operating temperature: -20℃~60℃

Plug: EU PLUG

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23894559385

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4.7 ★★★★★
Based on 28 reviews
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Product Reviews
J
Verified Purchase
jackie
Carnegie, US
★★★★★ 5
Great top
Size: Medium, Color: Dreamy Coral
Leigweight material nice color. My son loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
J
Verified Purchase
J. Tant
Dallas, US
★★★★★ 5
Iconic, but needs a few notes
Color: Gold/G-15 Green, Lens Width: 58 Millimeters
A great style, especially for those of us who don't go for the original Aviator style. But these sunglasses do need a few notes. The size on these have 58mm-diameter lenses with 15 mm between the lenses (if my decoding of the code on the side is correct. This is the largest size in this style, and even at that they are just *slightly* too small at the ears for my head. For context, the Ray Ban Wayfarer with a 50mm lens and 22m nosepiece fits perfectly. Also these, like the original Aviators, are intended to cover pretty much the entire eye socket, so if you're seeing light coming in from the side or top...they are too small for you. In other words, if you don't have a specific size head, these may not work for you and you'll be frustrated. I know it's hard to buy online since you don't get to try them on. OTOH, it's a little unethical (in my opinion) to go to a brick-and-mortar store just to try them on so you can turn around and buy them off of Amazon. DIYD and all that. Assuming the fit is acceptable, these are very well made sunglasses. They just *feel* like quality and the lenses are fantastic. There is some concern on Amazon about some Ray Bans being fakes. The pair I received are the real thing - look for the etched R-B on the left lens (not the lens with the white logo on it), the R-B logo on the nosepieces, the lenses being made of glass (not plastic) and the identifier engraved on the underside of the bridge...these are indicators that you have a genuine pair in your hands. I purchased directly from Amazon, not a "fulfilled by Amazon" purchase, so caveat emptor on that score. All in all, an outstanding pair of glasses at a good price.
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Reviewed in the United States on August 13, 2013
V
Verified Purchase
Val Brand
Fort Morgan, US
★★★★★ 5
The Real Deal, get them
Color: Gold/G-15 Green, Lens Width: 55 Millimeters
Lets me start by saying I love glasses and not only that, I am loyal to the multiple pair that I own. That being said I was pretty pissed when some punk kid stole my bag off the beach with my favorite pair, which was a pair called the tonette by electric visual. Great glasses, light, stayed on the face, and looked good but this time around I wanted something a little different. I had seen a pair of these worn around only once and I noticed they werent the over worn aviator style, one of the reason I got these, and immediatly fell in love. Went to the mall the next day and wasnt too surprised when the guy said "for you ill give you a nice deal and only charge you 120.00" needless to say, I gently put them down and walked out. Later that day, I ordered these for 30% off the mall price and got them 2 days later. PRAISE THE LORD FOR PRIME. PROS: -authentic ray bans -comes with the leather case which I still use 6 months after purchase -great tint -great glasses CONS: -they are a little small but fit my face fine, if your looking for a lot of coverage or have a big head...these probably arent for you -wire frame, these are my first wire frame glasses and yes they are more sensitive than my old pair but im still rocking them, if you cant baby a pair of glasses dont be surprised if you bend them little OVERALL: get these, dont be scared if you think your getting ripped off cause youre not. These are the real deal, just do it
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Reviewed in the United States on October 4, 2014
D
Verified Purchase
Dionisius
Cuba, US
★★★★★ 5
Not cheap, but you get what what you pay for!!!
Color: Gold/G-15 Green, Lens Width: 58 Millimeters
After seventeen years in the blazing sun of Tucson, Arizona, I FINALLY broke down and brought myself (what I hoped was) a quality pair of sunglasses! I had gone through countless pairs of cheapies and had decided it was time. In the back of my mind, admittedly, I wondered if it was worth it... (I can be tight with a buck). The verdict? WORTH EVERY PENNY!!! My first impression? They felt heavy. Not uncomfortably, mind you, but the mass of something well made. After a day or two that only makes them more comfortable... And yes, over time, a few expected random scratches, but far fewer than their lower priced counterparts. And it's not like I baby them. They get beaten up. And they only seem to look BETTER instead of worse... a true sign of quality! This won't be my last pair. But I don't anticipate having to replace them for a long while. In a nutshell? Buy 'em. You won't regret it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2022
S
Verified Purchase
Southern City Reviews
Lexington, US
★★★★★ 5
My Most-Worn RayBans By Far
Color: Gold/G-15 Green, Lens Width: 55 Millimeters
These are what you buy when you look absolutely horrible in teardrop Aviators, which I do. I've even had commissioned salespeople tell me not to wear teardrop aviators, that's how bad they look on me. I purchased these in 2012 after owning a pair of Ray Ban New Wayfarers. I wanted something more stylish and more vintage looking. These are light, the earpieces practically disappear on your face, and the lens quality is outstanding. They've been dropped many times but so far, they're still gleaming like new. The nose pads can irritate my nose after long periods of wear, but they're still way more comfortable than my optical glasses. I wear these when I know I'm going to be in the sun for a long time because they don't give me big tan lines on the side of my face. I tried a 55mm, but ended up needing a 58mm to fit my big head. The lenses on the 58mm are a tad taller than I would like, but they provide excellent sun protection and they don't look bad on me at all. Ironically, I bought my dad a pair of 55mm American Optical sunglasses and they're almost exactly the same size and shape as the 58mm Caravans. They do provide more wrap than the American Optical. I've gotten a lot of compliments about these, maybe more than any other pair of sunglasses I've ever owned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2016

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