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: Skyartec RC Wasp 100 R/C 2.4ghz Mini Helicopter
Product description: Wasp 100 2.4GHz 4ch Brushed Mini Helicopter is one of the mini series of products newest developed by SKYARTEC. It is equipped with powerful function 5ch mini 2.4G radio controller, highly anti-interference performance, quickly response speed. Player can set the parameter in LCD from the radio controller, which making the settings are more accurate and convenient. Plastic airframe, carbon fiber tail boom, metal frame connector, which ensuring it can response fast from aerial aerobatics demonstrating. High power capacity 3.7V 350mAh LI-PO battery can fly 8-10 mins. We believe that this mini helicopter will bring you endless surprize. Brushed version is standard configuration, player can upgrade it to brushless version according to your favorite. Standard Equipments: Main Motor: N40 brushed motor Tail Motor : 0717 motor Battery: 3.7V 350mAh 20C Li-polymer Servo : 3.5g (2pcs) Radio Control : 2.4GHz 5CH LCD MINI Transmitter 4 IN 1:Receiver; ESC 3A; Gyro; mixer SKY-G01 is a powerful function 5ch mini 2.4G radio controller, highly anti-interference performance, quickly response speed. Player can set the parameter in LCD from the radio controller, which making the settings are more accurate and convenient. The controller needs 4AA dry batteries provide the power.
Product feature: Length*Height: 220*85mm, Main rotor diameter: 200mm, Tail rotor diameter: 50mm, Main Rotor Diameter:18-19T, Tail Rotor Diameter:128T
Product brand: SKYARTEC
Target attributes: Type
Answer: attribute: type
value: helicopter
source: product title
attribute: type
value: helicopter
source: product description