- High-quality construction from zinc alloy provides superior security with excellent resistance to physical tampering and fire damage, delivering industrial-grade durability for years of reliable performance. - Complete security replacement kit includes a digital keypad, an electromagnet lock mechanism, two emergency override keys, a reset cable, and a mainboard (PCB); designed for easy replacement of worn or outdated locks. - Electromagnetic locking technology delivers advanced protection against forced entry, offering stronger security than traditional mechanical locks and reliable protection for your valuables. - Broad compatibility with most safes, security boxes, hotel safes, and cabinet safes measuring 28.9 x 28.9 x 61 cm; a versatile security solution for private and commercial storage needs. - Use scenarios: ideal for upgrading hotel room safes and guest-use lockers; suitable for office safes and commercial storage cabinets; suitable for home safes to enhance tamper resistance and overall protection.