All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
NC Type: NC means normally closed, closed when the door is open, when the magnets are sucked together, the circuit conducts; when the magnets are separated, the circuit does not conduct.
Installation Distance: Double-sided adhesive tape surface mounting, the operating gap between the 2 pieces is more than 15mm, less than 25mm.
Safe to Use: Fireproof ABS material, for a home burglar alarm system, an essential piece of home security kit.
Easy to Install: Internal screw terminal connections for easy installation and connection to the system. Suitable for wood/glass/plastic doors.
No external power required: connect to the wired alarm control panel, GND (positive) is directly connected to the NC (negative) port for a stable signal and no trouble with batteries. Need wire to connect to alarm control panel, but the wire is not included in the package.