Produce electric moving butterfly, doll with movable eyes, emulational dog with movable head, emulational flower with movable petal. The electric butterfly with moving wings is a very realistic, life-like, butterfly re-creation that provide a soothing effect for all to enjoy. It works with tow AA batteries, and the current just about 80-120mA. When it receive a signal, such as voice, beat and vibration, the butterfly will flicker wings with a frequency of 15-20 times per minute, and after about 5 minutes later, the flicker will stop automatically.