Feature: 1. Customizable Key: This USB magnetic sensor switch is a customizable USB key. You can customize the switch function as any key, combination, mouse or string through the software settings. 2. Widely Compatible: This USB keyboard switch cable is suitable for Win, for Dos, for Win All, for Linux, for OS X Laptop, for Android. 3. Multi Purpose: This USB mouse switch cable is widely used in automatic printer printing, mobile monitoring, proximity switch monitoring and more. 4. Durable ABS: This USB magnetic switch cable is made of premium ABS material, which is sturdy and highly durable. 5. Trigger Distance: This USB magnetic switch provides 0 to 15mm trigger distance, and 5mm is recommended. Specification: Item Type: USB Magnetic Sensor Switch Material: ABS Function: Any Key, Combination, Mouse or Character String Can be Customized Effective Trigger Distance: 0 to 15mm (5mm Recommended) Sensor Reset Distance: Greater Than 20mm (30mm Recommended) Compatible Systems: Suitable for Win, for Dos, for Win All, for Linux, for OS X Laptop, for Android. Scope of Application: Widely Used in Automatic Printer Printing, Mobile Monitoring, Proximity Switch Monitoring and Other Occasion. Package List: 1 x USB Magnetic Sensor Switch1 x Sensor1 x Magnet3 x Sticker