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4.1 out of 5
82.86% of customers are satisfied
5.0 out of 5 stars I Love It! I Have Several of Them, and Each Works Fine!
I own four of these clocks, three with the silver color frame, and one with the black color frame, and each of them works perfectly. Of course, since these are radio controlled clocks (aka RCC), which need to be able to reliably receive time signals each night from time signal station WWVB in Fort Collins, Colorado, they do need to be mounted with one of the broad sides (front or rear) facing roughly in the direction of Fort Collins, and they also need to be mounted at least 7 feet from any sources of radio-frequency interference, such as electrical or electronic devices, including fluorescent, CFL and LED bulbs/lamps.I find that AA alkaline batteries last well over one year in these clocks, and in some settings (i.e, that are not too warm), well over two years.I must confess that I have two of these clocks mounted in very unhospitable (if not downright hostile) locations, despite the manufacturer's recommendations against doing so: These two clocks are each mounted in usually-unheated outdoor buildings (one is a workshop, the other an outdoor office that is only heated for a few hours each day when in use), and these buildings each get very cold, and also very damp, at night, and despite these rather hostile conditions, both of the WT-8005 clocks work great! Of course, since the average yearly temperature in these two outdoor buildings is rather cold, it is true that the alkaline AA batteries in these two clocks do last considerably longer than do the batteries in the two indoor clocks (the two indoor clocks seem to average about 20 months of battery life, if not longer).By the way, I have noticed that several people have mentioned (at least one in the Q&A section) that they sometimes find the time on their clocks off by exactly one hour when they get up in the morning. There is a reason for this, and I have witnessed this problem here a few times myself, and I will explain more about what causes this very infrequent problem below:When you find the time on your radio-controlled clock off by exactly one hour in the morning (remember, the clock resets its time/date at 1:00 AM local time using the time signal from WWVB every night), this means that the WWVB radio signal was likaly a bit weak that night, and thus while the clock's WWVB radio receiver was able to read the time correctly (WWVB transmits the time in UTC, aka Coordinated Universal Time), it was not able to correctly receive the DST (Daylignt Savings Time in effect/not in effect) part of the signal, and thus, it may display the time as one hour earlier or later than it really is in your area.This problem will usually correct itself over the next one, two or three nights, whenever the WWVB signal strength improves sufficiently. Alternatively, to correct this problem sooner, you can take the clock outside, far from any sources of electrical interference (i.e., electrical and electronic equipment, including fluorescent and LED lamps), and lean its back against a tree or other wooden object, so that its broad side (front or back) is facing Fort Collins, Colorado (the location of the WWVB transmitter), and then press the WWVB Search button on the back of the clock and let it search for the WWVB signal for the next 7 minutes; it will hopefully correct the time setting during this period. When doing this, please remember that in most parts of North America, the WWVB signal is usually far stronger at night than it is during the daytime.And one more point, speaking/writing as an engineer and scientist: Many people tend to refer to such radio-controlled clocks (RCCs) as "atomic clocks". This is technically not true, as these clocks do not contain an atomic clock (i.e., an expensive rubidium or ceisum atomic oscillator and related atomic clock circuitry) inside them, and rather, these radio controlled clocks simply receive a time signal from NTIS's time signal radio station WWVB, which is controlled by an atomic clock. So, it is fine to call such clocks radio controlled clocks, and it is fine to say that they are "calibrated to an atomic clock source via the WWVB time signal" and it is even okay to say that they access atomic timekeeping, but they are not atomic clocks!Incidentally, I have always found the indoor digital thermometer on these clocks to be very accurate.BTW, I find that I can easily read the large digits on the LCD display that show the time from across the length of my kitchen or bedroom, each of which is a distance of 24 feet.Lastly, for those many persons who have asked on Bolo about where in the world the WWVB time signal radio receiver part of this radio controlled clock will work, here are some guidelines:The radio controlled features of this clock that access the NTIS time signal station WWVB in Fort Collins, Colorado can be used almost anywhere in North America, and, with a bit of luck, perhaps in Central America and perhaps even in parts of northern South America as well. To see the exact coverage area of the NTIS WWVB time signal radio station, visit the following page at NTIS's website: [...]Of course, you need to realize that the WWVB radio signal does not reach Hawaii, and even if it did, the clock, when operating in radio-controlled mode (versus in manual setting mode) can only be set to the four mainland North American time zones, and so even if, by some dint of magic, you could manage to get this clock to somehow receive the WWVB time signal in Hawaii, you would then face the problem that the clock has not been programmed to display the time in the Hawaiian time zone format. (Of course, the clock can still be used as a manaully-set clock in Hawaii, and also anywhere else in the world...!)
5.0 out of 5 stars No Frill but perfect Atomic Time Clock
Purchased to replace my trusted old Atomic clock (different brand) that worked for 5+ years.Good and no frill design. Bought it at around $20.Positives---------- Large and high contrast display, easy to read from far across a room- Receiver is more sensitive (getting atomic clock signal immediately and during the day, when my old one was only correcting at night (Atomic clock RF signals travel better at night) about 10' from the nearest window). BTW, if you want to get the right clock immediately and during the day, go near a window with clear view to the outside and press clock sync button on the back for manual sync.- Easy to follow instruction, and the web address for the instruction is printed right next to the battery compartment (handy, since we need to refer to instruction when we change the batteries)- Simple timezone setting (one button to toggle four USA time zones) -- more on this on Neutral (below) also.- Daylight Savings Time reflects the correct calendar period -- some of the older products somehow does not understand the new daylight savings time period in USA, but this one does.- If you care about accuracy of the temperature display, mine was correct within 0.5 oF, compared to my lab instrument -- your clock's accuracy may vary :-).Negative----------- Instruction is not clear for the first initialization. Could only select the timezone AFTER the clock searched for the Atomic clock signal... (a few minutes), but the instruction does not say that. I thought I had a faulty unit at first. Better instruction needed.Neutral--------- MAKE SURE that you plan to use this clock in continental USA (ONLY the 4 time zones, Eastern, Central, Mountain, and Pacific). But then again, I don't think you could receive the atomic clock signal if you are outside of these zones in North America.Helpful Hints--------------- Fold up the instruction booklet and tape it near the battery compartment on the back -- you'll be glad you did in about 18+ months.- I am a big fan of Atomic clocks -- one in almost every room in my house -- and found that most of the external temp sensor version needs battery changes every 6 month or so, while the non-external temp version, like this one, needs battery change every 12~24 months (all using alkaline batteries). So I use rechargeable for the clocks with external temp sensor (both the clock and the sensor) now, and alkaline batteries otherwise.
Awesome quality
The first one lasted from 2000 until this month, when a set of "copper top" batteries leaked and wrecked it. Bought exactly the same one for that reason - they last and last.No, we live in a "dead zone" so the radio time set function didn't connect, but I'm used to manually setting this clock. This newer one does have time zone feature, which is nice.BUT DON'T EVER PUT "COPPER TOP" BATTERIES IN ANYTHING YOU CARE ABOUT!!!
Reloj práctico y preciso!
Es un reloj que se ve bien, además de ser exacto, muy práctico y económico!
cumple funciónbue
buen producto desde su compra
Misleading product advertisement
Before you buy this check that you are in an area which receives atomic clock signals. Most likely you are not. It is a normal device. It seems to work when not synched to any external clock signal. I should have read closer before I ordered it.
Not suitable to Australian time zones.
Not suitable to Australian time zones. Only has 4 set American time zones. Unable to switch off automatic function.
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La Crosse Technology WT-8005U-B-INT Atomic Digital Wall Clock with Indoor Temperature, Black,
BHD14000
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Product origin: United States
Electrical items shipped from the US are by default considered to be 120v, unless stated otherwise in the product description. Contact Bolo support for voltage information of specific products. A step-up transformer is required to convert from 120v to 240v. All heating electrical items of 120v will be automatically cancelled.
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