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

Input:
Product title: Demo,Sightmark Ultra Shot Z Sight,4 Pattern Green Reticle R-SM13005Z
Product description: The Sightmark Ultra Shot Z Series reflex sight is the perfect accessory in the fight against the undead. Featuring an illuminated, four pattern, green colored high visibility reticle that is clearly visible even in bright sunlight, protective hood and quick detach mount, any shooter is ready for the zombie apocalypse. A side mounted weaver rail, located on the protective hood, allows users to mount accessories to the unit, ensuring a beefed up arsenal. With 5 brightness settings located on a rotary switch and constructed from aircraft grade aluminum, the Ultra Shot Z Series is ideal for any lighting condition and durable enough to withstand high recoil so you never have worry about poor performance when zombies attack! Designed to return to the rail and still hold zero, the Sightmark Z Series eliminates in-the-field adjustments making it reliable to take out the undead in an instant. Featuring a wide field of view, it is useful for close quarter combat to mid-range target shooting. The Ultra Shot Z Series features a weaver mount and matte black finish eliminating reflections. Highly durable and accurate, this is one product that is a must have to kill the undead (again) and save your brains!
Product feature: Precision Accuracy, Interlok Internal Locking System, Adjustable Reticle Brightness, Multi-Reticle (4 Patterns*), Wide Field of View
Product brand: Sight Mark
Target attributes: Firing Action
Answer: attribute: firing action
value: None
source: None