Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: 2.45" UNLOCKED Rugged Micro Android Smart Phone; Dual-Sim, WiFi, and Bluetooth
Product description: Sealed against dust and splash, this is one tough, cute, functional Android smart phone. Fits in small pockets; ideal for camping/outdoors, evenings out, kids, and emergencies. Comes with earbuds with mic, charger, microUSB cable. Also included is a nifty, durable, waterproof pouch for boating, climbing, and extreme environmental protection. Phone can be operated within the pouch. Runs about a day and a half in normal, intermittent use on one charge.
Product feature: Full 2.45" touchpanel with with outdoor readable display, Works with any carrier that allows unlocked SIM phones, Dual SIM with micro SD slot for accessing multiple networks USA / international, FM Radio, 802.11x, Bluetooth, Android 4.3 OS with Google Play w/Messaging, Email, Calendar, Web Browser
Product brand: Cedar Tree Technologies
Target attributes: Screen Size
Answer: attribute: screen size
value: 2.45"
source: product title