100 pcs 4x8mm DC Mini motors vibration hollow cup motor for science experiment

Description

Features:
4*8 vibration motor hollow cup motor DC energy-saving high speed small vibration motor miniature motor
(4mm*8mm size is for motor size/the total length of motor +Vibrator head length is about 12mm,please check the pictures)
the quotation is  for 100pcs
Voltage range: DC 0.8-3V Motor
diameter: 4mm Motor
length: 8mm Motor
including qty:100pcs mini motor
The vibration frequency of ultrafast, 2-3V hand heart Ma very, itch, uh.