The mole bar was quite simple. Made entirely of plastic hedged reasonably waterproof with screw cap. After inserting the batteries, you can hear a slight hum that is not primarily be perceived as disturbing. If you sit longer in the vicinity, I find it annoying - my dog snaps against completely. The effect has not yet been set. Approximately 1m radius without molehill have caused. According to the manual it should create more.
