... Security Sensor Border on the Lock Reliable Perimeter Intrusion Detection for Remote Areas with No Electricity. ► Solar powered battery; ► Wireless alarm transmission; ► 2 lines x 250 m; ► Detects climbing, damaging or dissing attempts. CVD-112 is a vibration-sensitive triboelectric perimeter security sensor applied to secure metal fences and detect any intrusion attempts. Solar module and wireless communication link make CVD-112 a perfect solution for ensuring security of a remotely ...