Velleman K2655 security or access control system Watchdog
A circuit that produces a natural sounding barking dog with a sensitive "ear" to everything that comes near it. It is a faithful w
Velleman K3502 security or access control system Parking radar
If you have problems parking then this kit is for you. Using (ultrasonic) sound waves, whose frequency is beyond our range of hearing,
Velleman HAMGSMGPS security or access control system Autonomous alarm system
The HAMGSMGPS is an autonomous alarm system that will send an SMS to a designated GSM to inform you about every unwanted appr
Velleman CU2200 security or access control system Wireless SMS alarm messenger
- 8 x alarm inputs (opto-isolated)\n- 1 x relay output\n- 4 x programmable mobile phone numbers for alarm SMS\n- 4 x pro
