8mm Vibrating Motor Coin 1.8Vrms AC 235Hz Wire Leads Typical Applications: Cellular phones, pagers, toys, haptic feedback, etc. Features: Flat pancake type with lead wires Operation rating: 1.8 Vrms AC @ 80 mA (0.1 to 1.9 Vrms AC range) Acceleration: 1.2 to 1.7 grams Frequency: 235 Hz Insulation Resistance: 10 M Ohm Lead length: 1.9 inches (27mm), 32 AWG Motor size: 0.315" diameter x 0.134" thick (8mm x 3.4mm)