Why you need this police siren Provides a very loud audible warning and visible red lights to get attention quickly — useful for safety and role play. Simple mounting and operation make it practical for bikes, scooters, and supervised play without complicated setup. Multiple sound modes let you choose a continuous alert or shorter signals depending on the situation. Key features and benefits Power: Runs on 2 AA batteries (batteries not included). To install batteries, unscrew the housing and insert batteries with correct polarity. Four sound effects: Controlled by a fourbutton switch. One button activates a continuous (steady) siren; the other buttons select shorter alert sounds, giving flexible warning options. Builtin lights: Six red LEDs increase visibility when sounding the siren. Easy installation: Includes a clamp for fast attachment and removal. Fits round tubes up to 24 mm in diameter. Straightforward controls: Large buttons make mode selection clear and quick, even while wearing gloves. Practical use scenarios Commuter cycling in wet weather: Use the loud siren and red lights to alert pedestrians and other road users when visibility is reduced. Supervised children's play: Kids pretending to be police can use realistic sound and lights for imaginative play, while adults can quickly remove the unit when finished. Shortdistance warning on scooters or pushbikes: Attach to the frame to provide immediate audible and visual warning in crowded areas. Specifications and notes Power: 2 AA batteries (not included) Switch: Fourbutton control for four sound modes (one continuous, others short) Lights: 6 red LEDs built in Mounting: Clamp included; fits tube diameter up to 24 mm Installation: Unscrew housing to install batteries; ensure correct battery orientation Usage tips Verify batteries are fresh to maintain loud performance. Secure clamp tightly to avoid movement on rough surfaces. If a sound remains continuous, press one of the other three buttons to switch to a short mode. This product delivers a clear, loud audible warning with visible red lights, simple installation, and multiple sound modes for practical safety and play applications.