The Oxford Boss and Big Boss alarm have been Independently approved by Thatcham Vehicle Security SBSC Intygad Produkt ART 4074 (14mm version). Key Features:

• 5-Year life-cycle tested (by Thatcham Research).
  
  
• Removable sealed unit alarm module.
  
  
• Water frost and heat-proof vibration-resistant.
  
  
• Batteries Included (6 x LR44).
  
  
• Three keys included.
  
  
• Can be used as a disc lock or padlock.
  
  
• 100db alarm.
  
  
• Padlock only; chain not included.