DY-GSM50A 8 in 1 Kit 315MHz / 433MHz Wireless GSM/PSTN Intelligent Anti-Burglar Alarm System, Touch Panel LCD Screen(White) SATLINK which ensures faster and more

which ensures faster and more accurate shifts

the high-pitched alarm of 129 decibels and the flashing warning lights

And the red high pressure R1234YF quick coupler adapter

luxurious enjoymen

DY-GSM50A 8 in 1 Kit 315MHz / 433MHz Wireless GSM/PSTN Intelligent Anti-Burglar Alarm System, Touch Panel LCD Screen(White) SATLINK which ensures faster and moreFeatures 1. Dual network PSTN GSM home alarm system. 2. Built in clock and color TFT LCD screen, high sensitive touch panel keypad. 3. 10 seconds voice message recording. 4. RFID function(work with electromagnetic lock). 5. 3 groups of timely alarm and disalarm. 6. Support 6 wired, 50 wireless defense zones and 8 wireless remote controls 7. Set 6 alarm phone numbers. and 3 alarm SMS numbers. 8. Support wireless siren( Default frequency 315Mhz). Also