... 160*14.4mmFunction:Density : 1.atom lock core2.the key hole types not less than 1042.3. interhancgeability rate≤0 ... be waterproof, Anti-cutting, protect from technical open and master key, Anti-interference, Telephone network alarm, SMS notification, remote control ... . High practicability, durable. 2012 china OEM waterproof best price alarm lock LT-U302 for Motorcycle