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: [6-Pack] Supershieldz- Anti-Bubble High Definition Clear Screen Protector for HTC Desire 526 (Verizon) + Lifetime Replacements Warranty - Retail Packaging
Product description: Our screen protectors are made from Optical Grade Crystal Film which are custom cut to ensure a perfect fit every time. Constructed in five layers; a scratch resistant surface polymer, a hardened protective mask to prevent deep cuts damaging your device and finally a patented silicone gel that creates a vacuum to securely 'cling' to the device screen. Our screen protectors use no adhesive and there is no spraying anything to the protector or the device.
Product feature: High Definition Transparency Film that ensures maximum resolution, Made from the highest quality Japanese PET Film with 100% Bubble-Free Adhesives for easy installation and no residue when removed, Real Touch Sensitivity for a natural feel that provides flawless touch screen accuracy, Pre-cut to fit your screen exactly ., Scratch resistant coating.
Product price: $1.99
Product brand: Supershieldz
Target attributes: Device Type
Answer: attribute: device type
value: htc
source: product title