Battery-controlled, low-power alarm.Wide input voltage supply from 5 V DC to 15 V DC.Each alarm can be configured with different contents independently.SMS will be sent to a maximum of 6 -installed mobile phones when any alarm is triggered.Fully 8 input signals and you can select the input port as NC or without mode for signaling.It is used security, warehouse security, remote unmanned areas, security.Specification:Condition Colour:blackMaterial:ABS plasticSize:66 * 62 * 22mmPackage Contents:1 * Alarm1 * Antenna1 * CableOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.