ALEKO LM176 Electromagnetic Lock will keep your gate securely locked with a strong electromagnetic field Made for use with ALEKO’s gates and gate openers, but also compatible with 12 or 24V DC gate or garage door openers from other brands Electromagnetic locks are ideal for enclosures with pets, high wind areas and adding security to your property Can be used on its own or with ALEKO’s LM146 remote adaptor, sold separately Technical specifications: Lock size: 6.5 x 1.5 x 1 inches; Magnetic board size: 5 x 1 x 0.5 inches; Holding force: up to 617 pounds; Working current: 12V/300MA; Working temperature: 14 to 131 Fahrenheit