NO INSTALLATION NEEDED: The padlock key box with detachable shackle allows you to easily hang it anywhere, including door handle, fence, railing, pipe. No screwing or drilling required. HIGH SECURITY: Heavy-duty zinc alloy and steel provide extra resistance to cutting, hammering and sawing. And it is non-corrosive and weather resistant. Resettable 4-digit combination allows you to set your own code with 10000 unique options. Confidently share keys with loved ones and loved ones and never worry about getting locked out. EASY OPERATION: Four steps only to set the 4-digit combination as many times as needed. Please note that NEVER forget your password, or there is no way to use or reset the key safe. ABILITY: The door key box with shackle comes with a large internal space that can hold up to 5 keys. BUY WITH CONFIDENCE: Rubber coated hook and the back of the key storage box to prevent scratches; sliding shutter door to hide and protect the dials from dust, rain, snow and ice; environmental protection paint adds corrosion and rust resistance. [NOTE] As the upper interior is occupied by the locking mechanism itself, only the items of thickness less than 0.5 cm can pass through this part. Long, thick items like remote control car keys will not fit. Size: 85*40*117mm Color: Gray + Black Quantity delivered: 1 piece Notes: There may be errors in manual measurement.