ITEM NAME:Electric Bicycle Alarm Double Remote Lock Motor 48V60V64V72V A2O3 Electric Bicycle Alarm Double Remote Lock Motor 48V60V64V72V A2O3 Color: picture color Material: ABS Type: Other Anti-theft device type: monomial alarm Use for : E-bike Alarm Package Contents: 1 * alarm 2 * remote controls.Anti-theft device type: monomial alarm. Use for : E-bike Alarm.