***** **********Best Quality Guranteed. *****Magnetic Weatherproof Case - Provides FIRM Magnetic Mount which is the key to knowing the GLCase will remain securely attached*****The sturdy and waterproof design is perfect for long term GPS tracking, suitable for use on moving vehicles outdoors - keeping the interior safe from moisture and corrosion*****Compatible with: Spytec GL200, GL-300 and GL300MA GPS Trackers*****Includes 2 Powerful Magnets to Attach to Any Flat Metal Surface*****This extremely cover design measures only 3.5" x 1.4" x 2.2" and is built with durable PC and ABS plastics for long term protection and monitoring