This UHPPOTE 500Kg 1200Lbs Holding Force Electric Magnetic Lock is perfect for single door applications. It features a 500kg/1200lb holding force, a voltage of 12VDC or 24VDC, and a MOV that provides reverse current protection. The LED indicates the door status and it is suitable for wooden, glass, metal, and fireproof doors. It also has a buzzer and a collinear load test. This lock is reliable and easy to install, making it the perfect choice for your security needs.