Instruction: Answer the given question using the supporting document.

Input:
Question: I want to use this for keeping track of work time as I switch between two different jobs. Will it do that easily?
Document: Love this. I use it for run/walk training. So much easier than my watch. I never realised  how much keeping track of the time was an annoyance. With this, you set you time (easy) and it just rings or vibrates.I use it for exercise sets too. Thirty seconds work and fifteen seconds rest then on to the next! Just work until the bell rings. Fun to use.
The instructions are somewhat cryptic, When you put the batteries it seems frozen, you have to work on it. After you get the hung of it is good. The clip is perfect for my intended use. I wish it had a different "background sound" for each of the two timers (suggestion for Everlast).
I bought this product in order to start Jeff Galloway's run/walk/run training. First it seemed to be of cheap construction. The two separate battery covers both didn't connect securely and fall off very easily. Next the display stopped working after the second time i used it. I suspect that some sweat may have gotten inside the unit. So how do you exercise without breaking a sweat.Do not buy this product.
the on/off button does not work. so i have to take out the batteries each time i want to put it off...
After four months, I can no longer get into setup. Press NEXT and CHANGE together for 3 sec to get into setup to change the time intervals. That no longer works. Can't change a thing now. Tried new batteries.....  nothing. It works fine if I want a 3 to 1 interval...... forever. Apparently the Next and Change buttons no longer work. To bad. I liked this unit. Gonna order a Gymboss.
Originally, I bought this because I needed the loud bell (you can use the buzzer instead if you want) when using it to time cooking or laundry, or whatever.
I purchased this item to use for a rotating cardio exercise where I do a different exercise every 30 seconds. This unit gives me a bell sound when it's time to change exercises. One reviewer said the bell is too loud and I disagree. It's not loud at all. It did take me a little while to figure out how to set it up but it wasn't all that difficult to do.
I've bought two of these and I've had enough. They work great, when they work. The life expectancy on these babies is at best a couple months before they stop working. First one began to fade where you couldn't see the numbers anymore and the second one eventually lost sound. Good timers but if you need heavy to medium use out of these I'd invest in something more durable. If you're someone who works out at home and doesn't move much then these might last you a bit longer.
Well, should have read Amy's review below because my belt clip broke exactly the same way hers did. I wanted to try using the magnets on the metal frame of the heavy bags at my studio. This is my first time with an interval training timer, I have no idea how to set this up. I followed the instructions so I know how to get to the numerics. I want to set up ten minute rounds with alarm at 30 second intervals. Just can't figure out how to do it.
A great additional exercise tool especially if focusing on cardio kick boxing, mma, boxing, ect. Also great for cross training with medicine balls, weights, and other muscle building/strengthening exercises. Problem is item is fragile and can break easily. Also, tried ordering the product a second time, but was undeliverable this time, whcih makes it lose another star.
Answer: I don't think so. Have you looked into a chess clock?