This Alarm Mute Switch device allows your existing alarm system to be mute temporary for a short time duration.Features USB – Power supply input for the device through a USB mini-B cable. (5V 0.5A) Alarm Input – Notification from the external alarm system. Mute Switch – Switch input for muting the alarm. Output Light – Alarm status output. (Output follows Alarm Input) Output Alarm – Alarm output which can be muted by the mute switch. Note: There is an internal buzzer build in the device PIC-124. The buzzer can be disabled by pulling out the jumper on the circuit board inside the enclosure.Operating InstructionSimple step-by-step operation guide Connect up the PIC-124 Alarm Mute Switch wiring connection. Alarm Input activated. Both Output Light & Output Alarm will be activated. Pressing on the Mute Switch will deactivate the Output Alarm for 3 minutes. After 3 minutes, Output Alarm will be activated again. When Alarm Input is not active, both Output Light & Output Alarm will also get deactivated.Size Dimension: 67 x 67 x 24mm Click here for more detailed information about PIC-124 Alarm Mute Switch Note:A short USB mini-B cable is included in your purchase. (length is 500mm)The power supply is sold separately. (You can use any USB 5V power supply)