Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.A electric magnetic switch specially developed for the control of wardrobe lights. 4.How it works: When the wardrobe door is open, the light is on, and when the wardrobe door is closed, the light is off. 5.Installation: Surface mounted, drill a 10MM diameter hole in the door, inserted directly,magnet axis and switch axis must be in the same straight line. Note: 1. For different types of lamps directly connected to 85~240V power supply, the specific load requirements of the switch are as follows: Incandescent lamp (tungsten lamp): 50W Max Energy-saving lamps (T4, T5): 38W Max (0.80, a filter inductor (optional accessory) needs to be connected to the wiring circuit. 3. For different types of LED lights driven by DC, the specific load of the switch is as follows: 12VDC 30W 24VDC 50W 4. It is not possible to test the on and off of the door sensor switch with a multimeter. Specifications: Material:ABS ,Metal Color:White Size:3x1.2x9cm/1.18x0.47x3.54inch(LxWxH) Weight:64g Package include: 4 x Door Sensor Switch