Letter Mail digital lock desk drawer file cabinet without key Safe and convenient 4007

💖💖20mm 6 number/20mm 8 number ：Ideal for: Singapore HDB and Condo Letteres/Mailes (Anti-Clockwise Version)🔒 Material: Zinc Alloy📐 Size: 57.557.540mm🎨 Color: Sleek BlackPackage Includes:🗄️ 1 x Drawer Lock🔋 1 x CR2032 Battery📏 1 x 47mm TongueNote: If your lock requires a longer or shorter tongue, you can use your original one due to variations in HDB/Condo locks.💖💖20mm 7 number / 30mm 7 number ：📍【Attention】📍✅The included USB data cable is only for emergency use. It cannot be used to charge the device through the emergency charging port when the battery is still powered！！！✅This mail lock can be operated either clockwise or counterclockwise！！It can be adjusted at 90 degrees or 180 degrees！！👍👍👍🌈If you are not familiar with its operation, please feel free to contact us🌈✅The protective film on the surface can be removed✅The accompanying item includes an English manual【Feature】🔎The upgraded version of the convenient 7-digit combination lock is made of zinc alloy material, which is strong, precise, safe and durable. Perfect for wardrobes, drawers, shoe cabinets, office cabinets, newspaper cabinets, metal cabinets, wood cabinets, tool es, mailes, school lockers or anywhere a key won't fit【Specification】✅Condition: 100% brand new✅Material: zinc alloy✅Color: Black✅Size: 20mm mail lock / 30mm mail lock🔋 Battery：1 x CR3000（Battery upgrade👍👍👍）📏Attached are four lock pieces which can be used according to your actual situation