Two Beams Active Infrared Detector 4 Digital Frequency Conversion
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Two Beams Active Infrared Detector 4 Digital Frequency Conversion
Main Features
1.Adopt two aspheric surface lens,achieve big-bore light beam.
2.Shell with LED visible window,the action can be confirmed more speedily after setting.
3.Unique product molding design,having sharp differences with other products.
4.Lightproof all black shell design,with new stray light filtering function.
5.IP66 waterproof grade,all around rubber O-ring ,it can be rainproof,dustproof and mothproof.
6.The receiver with LED digital display.calibrate more intuitively and conveniently.
multiple devices.
7.With 4 digital frequency conversion,can effectively avoid jamming when installing multiple detectors.
Technical Parameter
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- Q:Should I get double pane glass windows or add insulation to attic? I live in a one-story, built in 1988, concrete block home in hot dry climate- (100 degrees today) The attic insulation was the spray in kind. Attic is really only a crawl space.My windows are single pane and lot of people get these dualpane with sun block. I only have sunshades and they are old.
- The alarm button on the elevator runs an alarm bell either located on top of the car or inside the elevator shaft to alert people to the elevator in case of an emergency. Sometimes they can possibly wire up the alarm bell to another bell or something to alert someone directly, but in most cases, the button just sounds an alarm. The alarm is supposed to be hooked up to a battery circuit in case of power loss, so it will continue to work even though the power is out. However, the phone located inside the elevator is programmed to call someone that will answer 24hours a day, so in case of an elevator emergency , the person can get help.
- Q:..ate a piece of bread, does that mean I should run head-on into a fire hydrant?
- I would suggest that you are breaking the law and also putting yourself at risk by doing this work without a license of some kind from the requisite authority, desist, make the installation safe and call a professional before you blow yourself and your neighbours up.
- Q:How do you unblock websites at school
- Go to somewhere better that WalMart and don't buy a fire extinguisher (which probably won't be suitable for oil fires) but buy a fire blanket.
- Q:Could you take my mind off of it all?
- They can, and do, model it mathematically. Very successfully, in fact. The rest of your post is nonsense and gibberish. The properties of light are well understood.
- Q:I recently bought my first laser pointer over 5mW and it's a 500mW one. I knew that even an indirect hit with the laser light can seriously damage your eyes, so I figured I would use my polarized Oakleys to protect my eye. Thank goodness I read a disclaimer somewhere saying that any glasses made for sun protection don't protect your eyes or I might have learned that the hard way. (I did buy some laser safety goggles) I was wondering what keeps sunglasses from protecting your eyes from lasers and what's the difference between them and laser safety goggles. Thanks!
- Voltage source-Resistor-Doorknob(open) This is as simple a circuit as I can think of. Basically, once the doorknob is turned, the circuit is closed, current flows, and the alarm goes off. The resistor is simply a current regulator. For more intricate alarms, I can see the circuit using a transistor as a gate which regulates current flow. Some doorknob alarms use the principle of the electromagnetic field to trigger and alarm. Basically when the knob is turned, the magnetic field changes thus causing a change in current which sets off an alarm.
- Q:Just wondering if all the houses in the world were replaced with a highly reflective material, would we be able to slow down the global warming?
- If the safe is linked to the alarm system, the alarm will not set. You won't get a ready light and will not be able to set the alarm. Prove it to yourself sometime. Secure all doors and windows but leave the safe unlocked and look at the alarm panel as if you were going to set the alarm. You should see the red Not Ready light as well as a message or code for the unlocked safe. If you DO see a green Ready light and no message, let your manager know. Something is wrong with the system.
- Q:What is the alarm amplifier
- In accordance with the use of different components, amplifier and "bile machine" [tube amplifier], "stone machine" [transistor amplifier], "IC amplifier" [IC amplifier]. In recent years due to new technology, the new concept in the use of the gallbladder, making the tube of this ancient vacuum device and shine, its beautiful voice, so many friends bow down. Senior enthusiasts almost have one. "IC amplifier" because of his voice than the two power amplifier so in the HI-FI amplifier rarely see his shadow.
- Q:is epoxy (resin or hardener) biodegradable? pls justify your answer?
- I can recommend you to used MS SQL Server for networking databasing.
- Q:to a height of 12.0m.a.) What is the minimum speed the water must leave the nozzle of the hose to ascend 12.0m?b.) What pressure must the water have inside the fire hose?
- is it a dealer alarm? usually their is a control module uder the dash driver side just un plugg it had the same problem with 95 honda accord lost both FOBs everytime you got in it the alarm would blair crazy going down the road like i was a maniac but there should be some kind of control box
- Q:So it has been raining/snowing since Friday and right now its about 35 degrees outside. My room is the coldest in the house because the heat from the fire some how doesn't make it back here, and I'm not aloud to have a heater(left it on for a week). I have two blankets right now, and a thick sheet, and plastic over one of the windows. I wear a tshirt and shorts at night right now because I grew out of my pajamas actually, I should get some next time I'm near a store.I am going to take a warm shower in a few minutes, and put on some socks after. Any ideas for tonight?Also wondering if it would help to put a blanket over the door way or something like that? Or over the door? And maybe putting a sheet over the other window until my dad can put plastic over it? Any other tips?Thanks in advance.
- Why did you light it on fire for?
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Two Beams Active Infrared Detector 4 Digital Frequency Conversion
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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