Bicycle Bike Tail Light Vibration Activated Anti-Theft Alarm with Remote - brand new, never used - $45 firm PRODUCT FEATURES: - Tail light 3 mode settings: fast flash, slow flash, steady - Water resistant - Ultra loud alarm 105-120dB - Remote distance: 0-50m (Open area) - alarm powered by 1x 3.7V 800mAh rechargeable lithium battery (battery included) - remote powered by 1x 12V 27A alkaline battery (battery included)