• Body : 55x70x32mm
• Inner shackle : 26x24x9mm
• Net weight : 450g
• Gross weight : 500g
• Body material : Zinc alloy
• Shckle material : Hardened steel
• Access modes : PIN code , bluetooth key
• Power : CR2 Lithium Battery
• Emergency power : DC9V AlkalineBattery 
• Battery life : Up to 1 year
• Operating Temperature : -20 to 50'c
• Storage temperature : -30 to 60'c
• Warranty : 1year electronic / mechanical defects
• Certification : CE,FCC,IP66
• Usage : No submerging in liquids.