All the features of the original SPOT and more, in a unit that’s 30% smaller, 30% lighter and has faster GPS acquisition. An extra personal message button lets you send two preset messages to up to 10 contacts. SOS button sends your position every five minutes until canceled or batteries die. Button covers prevent accidental activation. Track feature sends your location to designated contacts every 10 minutes. Unit is waterproof up to 1 meter for up to 30 minutes; rated to handle salt, fog and humidity; and operates in temperatures from -22°F to 140°F and at altitudes ranging from -328 ft. to 21,325 ft. Position accuracy to within 21 ft. Includes carry case and three AAA lithium batteries. Dimensions: 3.7"L x 2.6"W x 1"H. Weight: 5.2 oz. Available: Orange.