4 pre-drilled mounting holesThe LockSAF PBS-DigiSWIPE is designed to be very secure but allows instant access to your firearms and valuables. Easy to program and use, this safe features a next generation swipe reader that utilizes digital technology granting instant access with a confirmed print. Also, with newly developed algorithms, this swipe reader is exponentially more reliable than any other biometric reader. The safe features a 9 gauge steel tamper-proof box with four pilot holes allowing easy installation to any flat surface or securing with a cable. The PBS-DigiSWIPE offers security and peace of mind for you, your family and valuables.These are made in China.