Garmin StreetPilot c530 3.5-Inch Portable GPS Navigator A high-sensitivity GPS receiver maintains signals under heavy foliage and near city skyscrapers Features easy-to-read automotive-grade, sunlight-readable, anti-glare display Includes the Garmin Lock anti-theft feature Dimensions: 4.4 x 3.2 x 2.2 inches (WxHxD); battery life: up to 8 hours; supports FM TMC traffic alerting