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Description
V51 B Style IP67 Waterproof 4G LTE 3G 2G GSM Elderly SOS Button Emergency Alarm GPS Tracker For North America/South America, V51 B StyleFeature 1. Real time positioning: query position information and adjust positioning interval, and navigate to find personnel. 2. Historical track: View the movement track of any day within 90 days 3. Fence: GPS fence: Compare the GPS positioning data and judge whether there is an alarm for entering or leaving the fence. WIFI fence: Compare the WIFI hotspots and judge whether there is an alarm in or out of the fence. " 4. Health: Calculate the amount
Feature1. Real-time positioning: query position information and adjust positioning interval, and navigate to find personnel.
2. Historical track: View the movement track of any day within 90 days
3. Fence:
GPS fence: Compare the GPS positioning data and judge whether there is an alarm for entering or leaving the fence.
WIFI fence: Compare the WIFI hotspots and judge whether there is an alarm in or out of the fence. "
4. Health: Calculate the amount of exercise, calorie consumption and exercise journey.
5. Call: SOS 2 Voice Call / Voice Monitoring: Request tracker to dial SOS number for voice monitoring
6. Command setting: make relevant settings for the positioner, for example:
SOS number setting
Phonebook to enter the number to call
fall alarm
alarm clock reminder
Ringtone Finder Locator
reject calls from strangers
7. Message list: Displays all alarm lists of the locator, including offline, low battery and entry and exit of the electronic fence, etc.
8. Reminder settings: Open all to receive an alarm push. Please be sure to enable the relevant push permissions in the app permissions of your phone
Parameter
1. Battery capacity: 1000mAh
2. Average standby current: 4mA/h
3. Average operating current: 8mA/h (positioning once every ten minutes)
4. Working temperature: -20~70 degrees Celsius
5. Working humidity: 5% to 95% non-solidifying
6. Waterproof grade: IP67
7. Frequency band:
- FDD frequency band: Band 2/4/5/7/12/28A
- GSM frequency band: Band 2/3/5/8
Function
GPS:
1. Chip model: TD1030
2. GPS signal: L1, 1575.42MHz C/A code
3. Number of GPS channels: 22 channels
4. GPS chip receiving sensitivity: -165dBm, capture: -148dBm
5. GPS positioning accuracy: 5-15m
6. GPS Antenna: Ceramic Antenna
7. AGPS: Support
8. AGPS fast positioning time: 26 seconds for cold start
LBS positioning accuracy: 100-1000M (based on AMAP database)
WIFI: only support RX
WiFi chip model: built-in
WiFi standard: 802.11b\802.11g\802.11n
WiFi positioning accuracy: 5-50M (according to AutoNavi or Google data)
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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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
4.6 ★★★★★
Based on 1866 reviews
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Product Reviews
★★★★★ 5
Excellent value for an automatic watch, keeps VERY good time.
Color: Grey, Color: Grey
I've only had the watch for a day but wanted to leave a quick review on it to share a couple of notes.
So far it keeps VERY good time, better than any of the automatics I own (including a Rolex Submariner, Tag Heuer Aquaracer, Tag Heuer Formula One, and several other sub $1k watches). I set it to an atomic time app on my phone yesterday and 24 hours later it's still SPOT on - hasn't gained/lost even a 1/10 of a second. I was shocked to see it's kept PERFECT time for the last day, I'm really blown away so far. I've worn it the entire time, we'll see how well it keeps time while being stored in a winder.
This picture shown is the watch with a 22mm leather band on it, fit's without any issues (just need to squeeze in the leather a tad). I doubt it would work with a 22mm metal bracelet, but leather works great. Just FYI since the 21mm lug width is kind of odd.
The face isn't quite a lustrious as the images make it look, but it's still a great-looking watch. For a sub $1000 automatic you can't go wrong, this is a fantastic watch at a great price. It'll be my daily driver for some time I'm sure. If I have any issues in the future I'll update the review.
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Reviewed in the United States on March 22, 2021
★★★★★ 5
It looks really cool and striking.
Color: Grey, Color: Grey
Really cool and beautiful watch. Although my specific unit runs 5 seconds fast every day—at first it’s annoying, but eventually you stop caring. 🤣
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Reviewed in the United States on April 16, 2026
★★★★★ 5
A Beautiful Timepiece at an Awesome Price!!
Color: Grey, Color: Grey
I have lusted after this watch for four months. I first tried on a similar model (stainless steel band with a green face) in a local jewelry shop (Spitz Jewlers, Walnut Creek, CA, USA). It was "love at first sight," even if I didn't love the white lines on the face from 12-6 and 3-9. At the time, the MSRP was $775.
The MSRP has since increased to $795. But I bought this beauty on Amazon.com for only $524.99; after applying the cash-back from my Prime credit card, this watch costs only $498.75. This was "the offer that I could not refuse," to quote from "The Godfather."
Accuracy could be better: after only a few days, it is now 7 seconds behind my phone (to which I set my new watch). But I don't really care about that all that much. This is why I rated "accuracy" at 4 stars, but my overall review is 5 stars.
My video shows the date changing suddenly at 11:59:59pm, just how I want it; in another photo, you can see that my Seiko changes the date more slowly, which I do not like.
This watch is absolutely phenomenally beautiful. If you're on the fence over whether to make this purchase, then I would say "go for it!" You will not find a prettier, more accurate watch at a lower price in ANY store in the entire USA.
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Reviewed in the United States on April 28, 2023
★★★★★ 4
Classy and sporty. Great value!
Color: Grey, Color: Grey
Excellent watch for the price. Looks sporty and dressy. More towards dress watch. Blue is dynamic. Strongly recommend blue for sporty feel. I was thinking of aqua terra. This come close to it with a price less than what i would have paid my state tax for omega aqua terra. My only concern is bracelet which i feel kind of OK. Better bracelet design would have made this watch much superior. 21 lug width is awful. Other than that, nothing to complain.
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Reviewed in the United States on July 13, 2020
★★★★★ 5
Stunning Gentleman's Watch
Color: Grey
This is my second Tissot watch. It's quite stunning in person. The online photos don't do it justice. It has the look and feel of a much more expensive gentleman's watch which makes this purchase a great bargain. Tissot is a great reliable Swiss made watch brand. My first Tissot watch which is probably more than 20 years old still runs great. Very pleased with this purchase.
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Reviewed in the United States on October 16, 2025