Single door Magnetic Lock Suitable for: Wooden, Glass, Metal door, or Fireproof door Specification:Suitable for: Wooden door , Glass door ,Metal door , Fireproof doorVoltage: 12/24VDC+10%Surface Temp: ≤+20 ... : 750kg(1500Lbs)Current Draw: 12V/420mA 24V/210mACE Aproval EM Lock for single door