Alloy Casting, Strong and Durable
User code is 1 to 8 digits long, of 100,000 possible combinations
Batteries can be used for up to 1 year. Automatic low battery warning
Metal Cabinet Door Thickness: 0.5 - 3.0mm
Wooden Cabinet door Thickness: 18-22mm
Suitable for Different types of metal or wood swing door cabinets.