Ultrasonic mole repellers are the humane way to clear moles from your lawn. Just push it in and leave it - it's that easy.
No traps, no dangerous poison. Less than 1 in a 100 returned. These devices really do work.
Even on a cloudy winter's day, the solar panel will store enough power in the battery to run the unit throughout the night.
http://www.primrose-london.co.uk/advanced-solar-mole-repeller-p-1711.html?cPath=104