What are the best features to look for in a bike alarm lock to ensure the security of your bicycle?

When looking for a bike alarm lock for your bicycle, it is important to consider features such as a loud alarm system, durable construction materials, and a tamper-resistant design. A loud alarm will deter potential thieves and alert others to the attempted theft. Durable materials like hardened steel will make it difficult for thieves to cut through the lock. A tamper-resistant design, such as a secure locking mechanism, adds an extra layer of security to protect your bike.