Recent content by Gwladok5

  1. Gwladok5

    PowerMax Complete External Siren - MCS-740

    You are correct, the LED Keep Alive is a jumper within the bellbox - will give you 5 sec interval blink. I would say you need the practice to change the batteries but they should last 3 years so get the ladder out!. It will only give a tamper warning at the control box when disarmed anyway.