These lights are manufactured with a colour-changing LED bulb, amorphous silicon solar panel, manual on/ off switch & a stainless steel pole with a spiked end for easy insertion into the ground.
They are easy to install with no wiring or electricity required & will work for 6-8 hours on a full charge of 8 hours in sunshine approximately.
They require a 1.2V Ni-MH 40mAh button battery which is included.