Bits and Pieces - Owl Motion Sensor - Weather Resistant, Hand Painted Life-size Polyresin Sculpture - Will Hoot At Passersby This lifelike, true-to-size sculpture is a real hoot. Pass by the sensor on the trunk of its tree and the owl "hoots" and turns his head right and left. Sculpted of polyresin and hand painted with precise detail. 11" tall x 4-3/4" diameter base. Requires 3 AAA batteries, not included.