Every solid object the signal has to pass through reduces its strength and distance it will reach...greenhouse covering, window, house walls. My greenhouse is around 75' from my house and even from the greenhouse to the nearest window, the 100' wireless unit I had was very hit and miss. I use the unit in the link below and have had no trouble with it in the year and a half I've had it. It has saved my plants several times!! But...wireless alarms (I assume that is what you are most concerned about) in general are not foolproof. We're going to have a phone line run to the greenhouse this spring so we can switch to a hardwired alarm in the future. Here is a link that might be useful: Wireless Data Logger

I installed my own security system in my new build finished last year. I hard wired all sensors. The advantage of the wireless IMO is when I decide to add sensors (if I ever decide I need more sensors) and if wiring would be too diificult. I also think wireless makes sense if you want to alarm for window open conditions - see explanation below. Certainly wireless makes the most sense if you are adding a security system in to an existing finished house. Disadvantages of wireless (for me) were cost, battery changes, and the possibility of bad connections which I have had with other wireless gear. I installed a combination of wired magnetic sensors (for doors), glass break sensors (for windows) and motion sensors for interior spaces. I chose glass break sensors over magentic contacts or wireless sensors on the windows because I did not want to spend a lot of time drilling and installing magnetic sensors on every window nor deal with batteries on any wireless window sensors (I have a lot of windows). I decided on a strategy of using glass break sensors to monitor a series of windows in a room beacuse if a crook is going to break in, I figured they will either kick in door or break a window but not take the time to open the window frame. Using magnetic sensors on window frames seems like a waste for burglar protection IMO. However - I think there is a good reason to alarm every window with contact sensors especially in a big house with kids and that is people (kids) forget to close and lock them. Having a contact sensor on every window would let you know if a window is left open because the alarm keypad will not let you set the alarm if any sensors are not ready. And if you leave a window open that is exactly where a burglar will enter. If you want that feature - then I would suggest wiring all of the sensors that will be used for primary burglar protection. Use glass break sensors to monitor windows for buglar penetrations through the glass. Then add on later with wireless sensors on the window frames if you want the window open detection. You can chose where you want the windows monitored by these wireless sensors and it doesn't have to be all of the windows (maybe just kids rooms and windows in far away places from the main living area). BTW - if you use glass break sensors, make sure you follow the directions on setting the sensor sensitivity. I left my GB sensors on MAX and they detected birds flying into the glass which I discovered (via several false alarms, one when I was on a cruise) occurs much more frequently than I ever imagined. Good luck.

I wanted to chime in on this thread. I make yogurt regularly and have been for several years. Atleast 2-3 times a week. And I do not use a thermometer. I have also studied the dairy science of making yogurt professionally and despite all the math, it boils down to providing a comfortable pasturized medium for the bacteria to grow. Here is the easy recipe if you will that I wrote up for some other friends.. I usually make 1/4 gallon. But it really does not matter as you just need a longer time to "set" yogurt if you use more milk. Use ultra-pasterized organic milk (I usually pick up Horizon's or Costco or Stermicks or whatever is available on sale that week at my store). Heat the milk. If heating on stove top use a stainless steel pot with thick bottom. You can also heat in a microwave. If you are heating on stove top, use low heat and stir frequently to prevent milk from scorching and prevent the skin from forming. With a microwave, you need to eyeball it until you figure out the math for your microwave (how much milk in what casserole for how many minutes). The milk is heated enough when you can see steam arising steadily. If you put a drop of milk on your wrist, it should feel hot. Now take remove the pot from heat and let cool. You are ready to add the yogurt culture when the milk feels lukewarm (give the milk a good stir and do the wrist test again). Don't worry about specific temperature, as long as it feels luke warm and tepid, the yogurt will set. Add the culture. For the first time you can use a commmercial culture like Yogourmet (available at wholefoods for me). Use just 1 packet and follow instructions to mix the powder in a bit of milk and pour it into the pot. For subsequent times, you can save a few tbsps of the made yogurt and use it as culture for the next times. My current culture is going strong for 3 years. Mix the culture throughly and put the lid back on the pot. Keep it in a reasonably warm place. If you warmed the milk in the microwave, you can just mix the culture and leave it in there. If you live in a cooler climate, you can leave it in the oven with the ligh on. Or just cover the pot with some dish towels. Do not move/ disturb the pot too much. The yogurt will set. How long --> depends on ambient temperature (cool --> longer, warm --> sooner). Check after 3-4 hrs to see if the yogurt is set. Tilt the pot slightly to see if is liquid still or solid. You will often see a small layer of whey on top when it is set. You can put it in the fridge when it is set to stop the bacteria growth. Some Q&A: Yogurt is a bit sour Home made yogurt is not sweetened and can be a bit more sour. It will also be more sour if the milk was too warm or the place you set it is too warm (the oven or the room in summers). Just try setting it with slightly cooler milk and move it to the fridge sooner (good tip for warm summer) Yogurt takes too long to set Try with warmer milk and a more insulated area. My friend in cold canadian north uses a yogurt cosy (adapted from a tea cosy)she made to give the milk a nice ambient temperature. Why ultra pasturized organic milk Ultra pasturized basically means that the milk has been super heated to get rid of most bacteria (which explains the long shelf life of milk here). This actually makes it easier for home yogurt making as basically all you need to do is to get the milk to ambient temperature to introduce your yogurt culture/ bacteria. I usually heat it a bit more as my milk container has usually been opened and used for a couple of days. Organic is just my choice for my family. Milk and dairy products is one of the things I personally believe that it is a better choice to use organic. I NEED to know the science. This feels too "go with the flow" You asked for it. The science in yogurt making is simply to pasturize milk to kill any present microorganisms/ bacteria and then re-introduce the preferred bacteria culture that makes yogurt. When using a thermometer, heating milk to between 165 and 180 degrees Farenheit for a few minutes is basically same as ultra pasturization. This also denatures milk proteins so that they all set together as opposed to forming lumpy curds. Then the milk is cooled to 110 degrees Farenheit which is the best ambient temperature to incubate the usual yougurt bacteria (lactobacillus acidophillus, bulgaris) etc. The fermentation occurs over a period of 4-7 hrs. I want thicker yogurt Many store brands use gelatin. I don't like it as I feel it is too goopy. You can instead mix non-fat dry milk in the milk and mix it throughly (no lumps) before heating. You can start with 1/3 cup and then experiment to see how thick you want the yogurt. Also using whole milk will make thicker yogurt. Basically more solids in the milk (either fat or the solid non-fat), thicker the yogurt. Thicker yogurt will take slightly longer to set. Straining is another way to thicker after the yogurt is set. Nice but too much work IMHO. Flavored yogurt You can add pureed fruits to the mixture or jam even. I prefer to just add fresh fruit and other things like nuts, agave syrup or honey to dress the yogurt later. I usually find that the set of the yogurt sometimes gets wonky if you corrupt the milk before the culture is added. Can I use cute single serving jars This makes it a bit tricky to make sure the culture is evenly distributed and the ambient temperature is maintained for the fermentation. Results are sometimes not consistent. Suggest you try one of the yogurt makers in the market which already has the glass single serving jars. Try adding culture individually to each jar (same amount) to get consistent setting. Microwave Method please My friend simply boils milk in microwave oven till 180 to 185F (15.5mins for her corelle container in our microwave)wait it cools down to 110F to 120F. Just keep the warm innoculated milk in the oven that was pre-heated to 170 and SWITCHED OFF.

I just looked at the first AccuRite listing, and the comments read like it's a good choice. The answers say that two units too close together try to talk to each other, which leads me to think that they're powerful enough to go through your closet wall. Do you know if there's metal in the wall or just wood? The reviews that say "defective" or something are missing the point: If it doesn't work, Amazon will replace it, no questions asked. If it fails after the return period, but within a reasonable amount of time, contact customer service, and Amazon will refund or replace with few questions asked. The Cheney looks like the exact same unit. There's probably a company in China that makes them and badges them for each company that buys them. Lots of small appliances/gizmos are like that. If you don't find anything you think will be better, you could just start here and worry about it more another day. :) So sorry about your freezer!