2pcs Panic Button RF 433mhz SOS Bracelet Emergency Button for Elderly Alarm Watch Old People GSM Home Security Alarm System
ID: 42357

2pcs Panic Button RF 433mhz SOS Bracelet Emergency Button for Elderly Alarm Watch Old People GSM Home Security Alarm System

4.7 (19 votes) | 43 orders
Price: US $40.57 / 2 pieces
Discount Price:
US $ 29.13 / 2 pieces


2pcs Panic Button RF 433mhz SOS Bracelet Emergency Button for Elderly Alarm Watch Old People GSM Home Security Alarm System



This device must connect to 433mhz alarm host (compatible with almost all the 433mhz alarm host in markt), can not work alone,

our 433mhz to wifi host as below link, 





- Easy carry watch, super light and comfortable material
- International 433mhz protocol, work with almost all 433mhz alarm system
Long work distance (15 to 30m indoor, 100m outdoor)
- Super power save, long work time (normally more than 12 months)


Home, hospital, old people, kids...


Technical Parameters: 433Mhz, EV1527, 430K

Working Voltage/Current: DC 3V/13mA

Transmitted Power: 10mW

Modulation Mode: ASK

Woke Mode: Send out alarm signal in 0.8s after triggered (avoid false alarm)

Work distance: 15 to 30m indoor, 100m outdoor

Power supply: 1*C2032 battery (include), work time more than 12 months for normally use

Color: white

Work Temperature: -25℃~+75℃

Size:  46.5×42×15.5(mm)

​Weight: about 50g

Quantity: 2pcs


24180401  SOS calling-BSOS wristband 001SOS wristband 0031612252 wrist sos 241612252 wrist sos 26


warranty service


TOPVICO Electronic Technology Co., Ltd. is a company focus on Home Security&Automation, established in 2011, pay all attention to provide most desired and competitve goods to our customers, that's why we exist, we are here to make your purchase happy, pleasure to communicate with you and improve by your suggestions, thank you dear customers!



- Q: How long your goods will be sent out?

  A: 98% goods will be sent out within 24 hours, others within 72hours

- Q: What delivery method?

  A: Defalut use useck online shipping, better guarantee for you, 

     if you need very urgent, please contact us to change the price for DHL or other commercial express

- Q: How to track the package?

  A: Track will update in your order page

- Q: What is the delivery guarantee?

   A: If not arrived within gurantee time, please contact us directly, will send new package or full refund 


Please note that Buyers are responsible for all additional customs fees, duties, and taxes for importation into your country. We will not refund shipping charges for refused shipments.



The following information is required when you reflect the problem:

- Image or video of defective goods (contact seller directly)

How to solution:

- Professional technic support to find the problems

- If really goods problems, will send new package or refund money

If repair need, please contact the seller, guarantee time is one year, out of guarantee time,

the buyer is responsible for the cost of returning or parts shipping cost.

We will employ every resource to ensure that your return is processed promptly and without hassle. Please contact us for any product or service issues before opening a dispute on useck.



Your satisfaction and positive feedback is very appreciate. Please leave positive feedback and 5 stars if you are satisfied with our items and services.

If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback.

We will do our best to solve any problems and provide you with the best customer services.

5stars 650

  • Brand Name: TOPVICO
  • Origin: CN(Origin)
  • Model Number: TP-309DR-2
  • Function: 433MHZ Wireless SOS Panic Button Bracelet
  • Technical Parameters: 433Mhz, EV1527, 430K
  • Work Style: Must connect to 433mhz alarm host
  • Working Voltage/Current: DC 3V/13mA
  • Battery: 1*C2032 battery (include), normally work more than 12 months
  • Transmitted Power: 10mW
  • Modulation Mode: ASK
  • Work Temperature: -25~+75 Degrees Celsius
  • Work Mode: Send out alarm signal in 0.8s after triggered (avoid false alarm)
  • Work distance: 15 to 30m indoor, 100m outdoor


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Useck - Security & Protection (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of useck.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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