Specifications: 1.Type: Bicycle Police Horn Bell. 2.Material: Quality ABS Plastic+Electronic components 3.Powered: AA Batteries x 2 (Not included) 4.Size: about 13 x 7.5x 3.5cm (5.11 x 2.9 x 1.4in) 5.Cable length: 26cm (10in) 6. 4 Loud Siren Sound 7. 6 red blue led light with bike Sirens 8. Super Loud Siren to draw people's attention on street 9.Keep your kids from danger by warning or noticing others 10.A switch controls the flash modes give the effect of flicker 11.Easy to be fixed on the bicycle 12.loop fits the pipe with internal diameter 28-30mm 13.Item weight: 100g Package includes: 1 x Bike Electric Horn User Tips: 1. If you think the sound is too loud, you could put some tape over the speaker. 2.There is a control key at the Bicycle Police Horn Bell, when it's "ON" position, light brights all the time. When "OFF" position, light only brights when pressing the one of 4 buttons. Our products have been well tested, examined and packaged before sending off. Any problem please feel free to contact us first so that we can supply the best service for you.

Long lasting Bicycle Light: Hight quality ABS plastic & electronic components, Durable and waterproof, powered by 2 AA batteries (No batteries in). Perfect present for your kids. Can be used for a wide range of activities: Road biking, city commuting, hybrid bikes, kids bikes. Keep your kid from danger by warning or noticing others. Easy To Install: Mount this electric bike bell anywhere you want in seconds, such as the handlebar, the seat post or anywhere on the frame. 4 Button Controls: Four buttons control 4 tone of police whistle. When press button bike light emits a 6 Red and Blue LED Light with the effect of flicker and the police whistle. Emergency Purpose: There is a control key at the Bicycle Police Horn Bell, when it's "ON" position, light brights all the time. When "OFF" position, light only brights when pressing the one of 4 buttons.

Minimum Compatible Size: 28 Millimeters. TV Size: 30 Millimeters. Mounting Type: Handlebar. Item Weight: 100 Grams. Material: Plastic. Brand: MHOPLQA. Color: Red, White, Blue. Date First Available: April 21, 2014. Best Sellers Rank: #249,787 in Sports & Outdoors. Customer Reviews: 3.9 out of 5 stars 313 ratings 3.9 out of 5 stars. : B00JU2CRXM. Part Number: ?1. Manufacturer: ?BearsFire. Number of Items: ?1. Material: ?Plastic. Color: ?Red, White, Blue. Brand Name: ?MHOPLQA. Item Weight: ?100 Grams. Package Weight: ?0.1 Kilograms. Item Package Dimensions L x W x H: ?7.32 x 5.47 x 2.13 inches.