The GZ-E105 has a Digital image stabiliser which is better than most similar spec video cameras that have been available for around the same time as it. Most video cameras of this type and age have an Optical image stabiliser. Some compact cameras have digital Image stabilisation only, which simply boosts camera sensitivity (ISO) to obtain a faster shutter speeds to help prevent blur. No hardware is involved.
A Digital image stabiliser is in fact the worst image stabiliser type across all small sensor size video cameras that have been available for around the same time as the GZ-E105.
The best image stabiliser type amongst similar types of camcorder is Optical.