Magellan eXplorist Pro 10
It has been described to be a “rugged, light-weight and waterproof GPS handheld device” that was specially designed for GPS/GIS data collection.
Tag: GPS
Garmin nüvi 1450LMT 5-Inch Portable GPS Navigator with Lifetime Map & Traffic Updates:Guide Your Journey!
Garmin Nuvi 1450LMT might be very helpful to you