As you near this ground Zombie - he begins to moan, louder and louder, his eyes begin to glow - then he lunges at you in hopes of a bite.
This is a very popular / fun prop that's asked for every season.
The Lunging Zombie - activates by Infra-red sensor or Step Here Pad. Can be operated by standard UL adapter plug or 4 AA batteries. (batteries not included)