Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: [RED SHIELD] HTC One M8 Screen ProtectorNEW LAUNCH [Armor Shield] [Best Shatterproof] Invisible Ultra Impact Resistant Front Screen Protector for HTC One M8 (March 2014) Anti-scratch,Anti-fingerprint,Anti-glare and Anti-shatter Supports HTC One M8 devices from Verizon, AT&T, Sprint, and T-Mobile
Product feature: Coolest Armor screen protector designed to perfectly fit HTC One M8 (March 2014) from all carriers (Verizon, AT&T, Sprint, T-Mobile)., Features anti-scratch,anti-fingerprint,anti-glare and anti-shatter., Provides ultra crystal clear high definition with new designer touch; doesn't leave any sticky adhesive residue., Easy to install,get Military armor heavy duty resistant screen protector., Best screen protector without worrying screen replacement.
Product brand: RED SHIELD
Target attributes: Device Type
Answer: attribute: device type
value: htc
source: product feature
attribute: device type
value: htc
source: product title