Waterproof AC to DC 12V transformer goodkit you can use at least

you can use at least one expansion pack to set up a positive-negative (ground-return) system

A 3m/10ft extension will reach the energizer in a standard Backcountry fence layout (59g)

over-voltage

You can install a gate or door in this Bear Sentry

With two expansion packs you can set up a food or game cache away from your tent

Waterproof AC to DC 12V transformer goodkit you can use at leastThis adapter lets you power the Bear Sentry energizer from household mains when the system has to stand up to continuous exposure to the elements, ex. around beehives or a chicken coup. Transforms 100 240 VAC to 12 VDC 2A Please note: We do provide an AC DC power supply adapter with the Bonus Pack that ships with every fence. But its really for testing the system at home, as it cant handle long term use or being wet or damp. The energizer is IP54