The Screamer 7 is an attack activated disc lock alarm. It is designed to be tough and durable, providing reliable security for your motorcycle. With a loud 100dB alarm siren, it will alert you and deter potential thieves. Powered by a long-lasting lithium CR2 battery, it offers peace of mind. The lock features a simple push-to-lock mechanism, and its motion and shock sensors ensure enhanced protection. Additionally, the water-resistant keyway cover adds to its durability. The 7mm diameter locking pin is suitable for many disc brakes, and you can choose between black and yellow colors. Its compact dimensions of 78mm x 56mm make it convenient to carry and use.