Ultra‎-loud MTB Road Bicycle Bike Electronic Bell Horn Cycling Hooter Siren Accessory   The ultimate communication system for cyclists‎.‎ This Bike Electronic Bell Horn Cycling Hooter can produce loud siren up to 90 decibel‎.‎ Cool accessory for you‎!‎ Features‎:‎ ‎- Can make one voice like the sound of birds‎.‎ ‎- With loud siren‎,‎ up to 90 decibel‎.‎ ‎- 360‎-degree rotation bracket‎.‎ ‎- Suitable for handlebar diameter about 2.0 ‎- 2.5cm‎.‎ ‎- Novel style‎,‎ scientific design‎,‎ can prevent the rain‎.‎ ‎- With directionality‎,‎ fit for multiple models of car‎.‎ ‎- Easy to be fixed on the bicycle‎.‎ ‎- Power saving‎,‎ there is battery installation description on the battery cover‎.‎ ‎- Powered by 2 x AAA batteries ‎(‎not included‎)‎‎.‎ ‎- Made of colorful and durable ABS‎.‎   Installation location‎:‎ Handlebar Type‎:‎ Bell   Package weight‎:‎ 0.086 kg Product size ‎(‎L x W x H‎)‎ ‎:‎ 4 x 4.5 x 5 cm / 1.57 x 1.77 x 1.97 inches Package size ‎(‎L x W x H‎)‎ ‎:‎ 5.3 x 5.3 x 7 cm / 2.08 x 2.08 x 2.75 inches Package Contents‎:‎ 1 x Ultra‎-loud MTB Road Bicycle Bike Electronic Bell Horn 360 Degree Rotation Cycling Hooter Siren