Gateman V20 Manual [2021] Info
: The unit runs on 4 AA alkaline batteries. It is recommended to replace them every 6 months to prevent leakage. Emergency Access : If batteries fail, you can touch a 9V battery
: The unit runs on 4 AA alkaline batteries. It is recommended to replace them every 6 months to prevent leakage. Emergency Access : If batteries fail, you can touch a 9V battery