We ,SPI, are dealing some kind of security products. It is the remote control digital door lock security system and DVR. Our technology and specification is the top and unique in worldwide.
Its functions for digital door locking system are as follow
1. Hidden RF type, operate & confirm its conditions of security by remote controller in long distance using telephone (include mobile phone) not only open & close.
2. It will inform to 5 telephone numbers to be recorded if there is a trespasser when you are out of the place and give an alarm siren, simultaneously.
3. It????s easy to install or operate as DIY type. You can finish to install all parts within 20 min.
4. Unlikely other unmanned the security guard company, no need to pay any maintenance fee.
Also, we can supply the best DVR with very competitive price.
If you have interesting for my suggestion, would you let me know your e-mail address?
I will follow up more details.
Best Regards
S P Kim/Sunpil International
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