The spider wire alarm anti theft device is available in 2 alarm and 3 alarm technology. If its wire on product is cut, the alarm sounds. At the same time, it will self alarms and activates the EAS security system alarm ,when passed though the EAS security system.It uses dual technology – AM 58KHz and RF 8.2MHz. So it can work will all types retail security system as checkpoint ,Sensormatic, WG,etc. The spider tag should be removed using magnetic tag remover.Our spider wire alarm anti theft device comes 5 models with different lanyards, allow it to be used to protects merchandise of varying sizes.