Function: 10 Frequency Electric Shock Color: Black Sucker Size: 9.5 * 5.4 cm/3.7 * 2.1 inch Controller Size: 8.5 * 4 cm/3.3 * 1.5 inch  6.2 cm/2.4 inch Power: Lithium battery/150 mAh Working Frequency: 1-100 Hz Material: ABS + Silicone Package: OPP Bag Further: Wireless