Usage Tips:Enhanced Security Function: Magnetic Door Switch Model RC-33 operates with a normally closed (NC) setup. Ideal where a secure environment is a priority, the circuit connects and lights up when the magnet is close, ensuring a reliable, quick response to door or window opens. Rated Power: 10W;Max.Working Voltage: 100V,Contacts Status: NC (Normally Closed); Actuation Distance: 15-25mm Durable Material and Design: This contact sensor, crafted from robust ABS housing and equipped with 1007UL#24AWG wiring, is designed to endure regular usage while maintaining its functionality. The white coating not only matches various decors but also adds an extra layer of protection. User-Friendly Installation: The recessed design of this magnetic door switch assures a discreet and seamless fit, making it less visible for potential intruders. Simple setup enhances security without compromising on the aesthetics of your window or door frames. Material: plastic colour: white Package Contents: 10 x Door Magnetic Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.