• PC material shell, more sturdy, waterproof ring design.
• Vibrationally triggered alarm suitable for bikes, motorcycles, doors or windows.
• 7 level adjustable sensitivity from gently touches to push or beat.
• Detering thieves effectively by 113dB loud alarm.
• IP55 waterproof and dustproof, more suitable for outdoor use.
• Installation by pasting with double-sided sticker or tieing it with strap.

Note: These items are non-returnable and non-refundable.