High Compatibility: Designed to fit a range of electric scooters including For Ninebot Max G30 G30D models, ensuring a perfect fit for your scooter's security needs. Effective Anti-theft Protection: Features a loud 115db bell that provides robust protection against potential theft, deterring thieves effectively with its piercing alarm. Convenient Remote Control: Comes with a handy remote control that allows you to activate or deactivate the alarm from a distance, enhancing ease of use and flexibility. Voltage Compatibility: Operates on a voltage range of 36-55V, making it suitable for various electric scooter models and battery specifications. Color: As Shown Material: plastic Package Contents: 1 x Anti-theft alarm 2 x Remote control