Features: brand new and high quality 6 kinds of alarm sound are arbitrarily selected, 113dB loud sound can effectively the role of anti-theft. IP55 waterproof and strong ABS are permanently installed on your bikecyle or electric car without worrying about having to remove it in bad weather. Using three-dimensional displacement sensor, more accurate identification. Support remote control of ringing and then quickly find a Bicycle motorcycle. 7 level adjustable sensitivity, ensuring your bicycle safer. Suitable for installation in a various environments. Two kinds of install ways, double-sided sticker and straps, with them, alarm can be mounted on bicycle, motorcycle, car stably and firmly. 113dB security alarm. Once triggered, super loud voice will be a great deterrence. Not only designed for Bicycle, Motorcycles, can also works with e-bike, scooter, door and window. Specifications: Material: PC Color: Black Package Weight: approx.127g Size1: approx.95x42mm/3.74x1.65in Size2: approx.61x33mm/2.40x1.29in Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1Pc x Anti-Theft Bike Alarm