This is Authentic Samsung EZON Doorlock with Handle. - 2Pcs x Mechanical override keys (emergency) are included. - 2Pcs x Card keys are included. (If you need more another key, please let us know by message in eBay) - English Manual is included. - Required depth of door is 40mm~50mm. - Free Express Shipping is ready for buyer. (Extra Charge may be beed to some country)  ============================================= #Feature - Reassuring grip! Safe handle to prevent unauthorized intrusion - Once more safely! Automatic Lock / double lock feature - Safely in an emergency! Assured Samsung Digital Door Locks - Sense that Sound settings and disable function - Slim Black & Silver design modern and chic