[ and secure] key safe with a number code consists of high -strength zinclegation and solid steel, against hammering, sawing or lifting.[4 access methods] 1 fingerprint (fast and high-precision identification even with wet );2-10-digit passwords (offers over 100 billion password combinations);3-2 IC cards contain (for easy unlocking the key box with a number code);4 -over app[Waterproof and durable] Made of stainless SPCC metal material to protect against rain, snow, block or freeze, this key safe on the outside works well at a temperature of -20 C to 70 C[Bluetooth with application] This key safe outside contains the universal Tuya Smart app, with which owners can grant other access to others by generating a temporary code[ capacity] The inner dimensions: 11x6.6x5cm (HXBXT) enables the placing of bank cards, keys, car breaks, etc.Note: without 3AAA batteryColour:blackMaterial:Zinc alloySize:11 x 6.6 x 5 cmPackage Contents:1 x key safe2 x key2 x IC cards1 x screwdriver4 x screwsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.