Laser Door Security Extension Buzzer Chime New This neat and compact buzzer can be mounted anywhere and is recommended as an addition to our 'Door Security Beam with Reflector' (LA-5193) as an extension alarm. The volume of the buzzer is adjustable and the sound output can be selected by a slide switch to either: Alarm, Off or Chime. The sounding time can also be adjusted from 3 to 30 seconds. Supplied with mounting hardware and a 10m lead and an adjustment screwdriver. Specifications: Input voltage: 9 - 15V D.C. Consumption current: 25mA Max. Ambient Temp: -20 C - 50C (-4F - 122F) Response time of buzzer : Chime: 1sec. Alarm: 30sec Volume of Speaker: 0 - Max (adjustable) Alarm time: 30 sec Max (adjustable) Speaker output: Chime/Off/Alarm (selected by slide switch) Mounting bracket and screws: Included. Warranty Shop with confidence Item comes with 1year warranty