Features: 1. Single card unlocking or double card unlocking both available. 2. Cabinet lock auto-rebound function, anti-prying lock body 3. ABS material. Waterproof, moisture proof, high temperature resistant and corrosion resistant, etc. 4. Installed inside the door, and there is no exposed keyhole, no lock can be seen outside the door, invisible and safe. 5. Large induction penetration thickness, ID keychain induction penetration thickness is 2.5CM, card induction thickness can reaches 5CM. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow minor deviation due to manual measurement. Specification: Type: smart induction lock Material: ABS environmental protection material Size: about 6.3x8.6x2.8cm, 2.1x1.6x4.8x3.6x1.6cm Battery: 2 AA batteriesnot included Features: Waterproof / moisture proof / high temperature resistant / corrosion resistant, etc. Door opening method: swiping card to open the door Scope of application: single-open and double-open doors of drawers and shoe cabinets, etc. Package List: 1 set x lock