specifications:
waterproof
nc mode - (locked while supplied with power), fail safe mode suitable for : wooden door, glass door, metal door, fireproof door, etc
safety function : built-in voltage spike suppressor
material : stainless steel
anti-residual magnesium designed
holding force about 280kg (600lbs)
technical information:

operating mode : nc (locked while supplied with power), fail safe mode
holding force : 280kg (600lbs)
voltage : dc 12v
current : 480ma
dimensions (faceplate) : - approx. 7-1/8" (w) x 1-1/2" (h) x 1/2" (d) inch
dimensions (main body) : - approx. 9-7/8" (w) x 1-7/8" (h) x 1-1/8" (d) inch


package includes:
1 x electric magnetic lock with led indication light
1 x user manual
1 x installation kit