1. Keyless Smart Cylinder, Simple Installation And Convenient Operation.<br> 2. The Safest And Simplest Smart Cylinder.<br> 3. No Breaking The Door Or Change The Door Body Simply Use A Hex Screwdriver To Install In 10 Minutes.<br> 4. Suitable For Family Members Of All Lockpicking Habits.<br> 5. Smart Home Smart From Smart Cylinder,Fingerprint + Card Swipe + Tongtong App + Key.<br> Power Source:1 x CR123A(Alkaline)<br> Installation:Intermediate,Tools Required(Included)<br> Unlock Way:App,Fingerprint,Keycard,Manual Key<br> Ip Class:Ip5x(Dust And Splash Proof)<br> Emergency Power:1 x Micro-Type C Charging Port<br> Door Thickness:35-45mm<br> Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use<br> Type:A:Pearl White<br> Colour:As Shown<br> Material:Aluminum alloy + brass<br> Size:Reader Dimension:42x42mm<br> Package Contents:<br> 1 * Lock<br> 2 * Card<br> 2 * Key<br> 2 * Suction Cup<br> 2 * Hexagon Wrench<br> 1 * Screwdriver<br> 1 * Reset Card<br> 1 * English Manual<br> Only the above package content, other products are not included.<br> 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.