Item Type: Electronic Cabinet LockMaterial: Zincl AlloyColor: As picture shownPower Supply: 1 x 3V CR2032 Button Battery (Not Include)Password Length: 1-15 digitsLock Panel Size: Approx. 146 x 25mm/5.7 x 1inFixing Hole Size: Approx. 141.8 x 20.8mm/5.6 x 0.8in (4-R 4.8 Radian)When the battery is low, remove the old battery, insert a new battery, replace the battery without losing the password, and support external USB emergency charging to unlock.Suitable for schools, SPA/sauna bath centers, swimming pools, gyms, supermarkets, hotels, companies, factories, homes, businesses, etc.Package List:1 x Electronic Cabinet Lock1 x Mounting Accessory Pack1 x InstructionNotes:Due to manual measurement, there may be deviation1-3cm.Due to photograph light or other reasons, the item in picture and material object may have slight difference, please in kind prevail.*Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Thanks for your understandings.