This UHPPOTE 600Lb Holding Force Electric Magnetic Lock is the perfect choice for your security needs. It features a NC mode (locked while supplied with power) and fail safe mode, dual voltage 12VDC or 24VDC (optional), and is suitable for wooden door, glass door, metal door, fireproof door, etc. It also has an LED indicator to show the door status and offers a reliable 280kg holding force. The lock also includes a ZL mount bracket for inswinging door. Get the peace of mind you need with this electric magnetic lock.