Electric Magnetic Door Lock 280Kg 600Lbs With Remote Control Ac110‑240V Fo MPF

Maximum Holding Force: 280KG / 600LBS. Item Type: Electric Magnetic Lock. Excellent Performance: Power off to unlock, power on to lock, operate without noise. Material: Aluminum alloy, magnet, iron. Low Maintenance: Different from locks, electromagnetic lock is resistant to wear and tear, effectively avoiding various failures caused by wear and tear of accessories.

eBay