Good for the money paid, came on time, fairly solid built, easy to put together and REMARKABLY SENSITIVE FOR THE PRICE The instructions are absolutely NON-intelligible, they should just show pictures...For a person without understanding of such equipment, it is impossible to understand how to assemble and orient it, definitely the producer has to IMPROVE ... Read more
a very good equipment especially for places that requires a bit of security. it will catch the attention when somebody goes near this. turning it ON starts the siren which is very loud and takes more than 10 seconds to stop. this should be bypassed as it is not needed to sound because you just turning it ON. it should make sound only for the objective.... Read more
It works. Walk nearby and it blasts away with the siren. Eats batteries. Best to connect a small AC adaptor. The instructions are worth the full price, forget the device. I can't speak Mandarin or Cantonese but I have the sense not to try, especially to write the text for a product package. For example, "Infrared ray alarm can send out sounds of ... Read more
Everything's wonderful, really, no fuzz. Easy to use, easy to mod. The device works perfectly. The inner schematic is pretty easy understandable and well printed/built. And the siren is really loud. The only one con is that some plastic elements are having not so well quality as I've expected. But this is not even really a con for me. I bought it to ... Read more
The detection works well from 0mm to 4 meters (haven't tested greater distances) and it even works in full dark (I tested)(it detects heat). If you turn it off when it is ringing (it will stop the ringing) but if you turn it back on, it rings again. You must wait 10-15 seconds. You can open it by inserting a tool in the crack on top of it in the middle,... Read more
Really great product. Very cheap and 100% functional. It has a great sensitivity, neither too low nor too high. You can use it for many purposes, for example to trigger another device or camera. See my Mod This topic below for details. Maybe one, the red LEDs installed are very weak, I suspect it's wrong resistor or some other circuit fault. Not a problem ... Read more
-cheap. 2 times cheaper than useless magnetic alarms. -works without problem -not complicated (aka no intelligence needed for setup) -does what it say. no more no less. -small and hard to see -not so loud. -turn on-off button is not good placed. it takes a while to turn the alarm of. not a perfect burglar alarm. but if there is a way to combine these,... Read more
Really worth to the cost. Its just below 8 US$.
The Motion Detection is extremely fine. It get few seconds to get the snapshot of the environment and then it is working perfectly.
Very Fast shipping. I got it within 1 week (To Sri Lanka) No Sensitivity Adjustment can be done.
The manual is in chinese language
There is no reset button. You will need ... Read more
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