Product Name:High Quality Electronic Parcel Delivery QR Code Locker Lock Size:69*73*13MM(or other size) Material:Low carbon steel Working voltage:DC12V~DC24V Working current:0.8A~2A Working Type:Independently(Be locked when door is close,unlocked when door is open) Reaction time:Less than 20ms Test:Salt spray testing 72 hours Certification:CE;ISO9001;RoHS ;IAF Warranty:1year Show More