mobile phone anti-theft usb alarm sensor:

Features:

1. off-line alarm: system will alarm when any connect line cut off

2. sensor alarm: system will alarm when sensor wire taken off

Matched sensors: USB, ring, paste

Unlocked by key

Inbuilt button battery, standby time more than 1 year

also can connect outer power

This item can protect 4 pcs articles simultaneously, with off-line, take out wire alarm

Protect notebook PC, laptop, mobile phone,,etc digital products.