Instruction: Output yes if the supporting document can answer the given question. Otherwise, output no.

Input:
Question: How long does a battery last?1 hr, 3hr, 5hr?
Document: i have used it for one month in treestands at least 5-6 times a week for 2 to 3 hour sits . it makes too much noise and the battery doesn't last over two sits, usually about 4 hours run time. so far i haven't been able to determine how well it covers your scent. i think it does somewhat but i have not had a mature deer directly downwind as of yet.
This product suffers from extremely short battery life. This battery will discharge, even when not placed in the ozonics machine.
When you're hunting the jungle/swamps of FL you don't get nice long shots. Being as scent free as possible is absolutely vital. No questions this sucker is doing the job.
I was worried that it was a gimmick and I was going to be out a lot of money . but me and my son was in a double wide stand on youth day and the wind change and started blowing right on the deer. they still didn't catch us in the stand . two body's and detection wow . I've been hunting a long time now I will be relying on the Ozonics to keep my sent down thank you for a great product .
Bow season opened here in ND on 8/30/13. I tagged out 9/1/13 thanks to the Ozonics. I had a south wind 6 MPH. I had 5 deer down wind of me and there had no idea I was there. I shot a 160 5x8 Whitetail at 23 yards straight down wind. Full velvet. I definitely recommend this product. It worked great for me.
Ozonics HR-200 is awesome. Has been working for me just as advertised. Have had deer come in from all directions within a few feet of me un alerted . This thing is simply amazing
My hunting areas are tight with shots being less than 100 yards. This product is a little to noisy for such tight spots. I have tried it on several hunts and have not found it to be an advantage. That doesn't mean that I have given up on it yet but I was hoping for some WOW results.
I will let you know I am using it tomorrow. Deer are in trouble if it works as good as they garentee. We will see if it does my quest is over for the right tole to get up close and personal with whitetail
I have used this unit is an area where the wind swirls land you are very close to deer. It really does work.
I have used this product a couple of times this year. Each time, I had deer come in from down wind.
Answer: yes