| 摘要 |
A self-contained apparatus (1, 11) for breaking a glass pane, said apparatus comprising a housing (2) which can be attached to a glass pane (3), initiating means (4) breaking said glass pane and activation means (6) for encouraging the initiator to impact the glass with sufficient force to cause the glass pane to break or smash, wherein the apparatus can be retro-fitted to an existing window and is switchable between a sleep mode and active mode. The apparatus is further associated with identification means for aiding in the identification of a user upon activation of the apparatus which acts as an anti-vandalism system to prevent the device from being interfered with.
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