Key Lock Box LB-20 - Hide a Key Outside for Your House - Realtor, Spare Key, Contractor, Rental, Key Storage - Lockbox Combination Shackle Fence Mount, Door Knob Mount DURABLE METAL CONSTRUCTION Front Opening Locking System to Protect Your Keys SET YOUR OWN COMBINATION with ease - 4 pin user code for maximum security and safety EASY TO INSTALL, move anytime, perfect solution for your key storage PERFECT FOR YOUR SPARE KEY, emergency access for seniors, realtors, construction, trades, family and friends EASY ACCESS - store up to 5 keys - DIY ready - Never get locked out your home again