It is activated with every movement or vibration and produces a deafening noise of 110 decibels that will discourage even the most bloody thief.
Easy to use, arm and disarm remotely with remote control.
Durable plastic - no metal parts, waterproof
You can screw it on other items (except bicycles)
Batteries: 1x 9V (not included)
Dimensions: 10 x 6 x 3.5cm
Adapter Diameter: 29mm - 35mm