IP25 sealed and rugged durable optical military thumb ball mouse with 400~1200 DPI resolutions for fast and accurate cursor position with extreme smooth operation without any noise, with total 5 buttons: 2 for right/left clicking, 1 DPI adjustable key, as well as 2 customized functional keys, and 1 middle wheel for scrolling, which is also with a removable ring to detach the ball for easy cleaning. It is suitable for installation in any direction and can work well. Designed to meet MIL-STD-810F (high and low wide temperature, low pressure, humidity, vibration, shock, temperature shock, rain, dust, salt mist, fungus, solar radiation etc.), as well as the critical military standards in these 10 aspects: reliability, safety, maintainability, testability, supportability, environmental adaptability, stability, compatibility, consistency, and continuity, MIL-STD-461G(EMC, EMI, EMS, ESD) optional.
DIMENSIONS: 102.0mm x 131.5mm x 47.0mm (L x W x H)