Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Topcarlight 50inch 288w LED Curved Work Light Bar Flood Spot Combo Beam Off Road UTE 4x4 Sekil 240w/120w Car Lamps Bar
Product description: Specifications: Color Temperature: 6000K Material: Diecast aluminum housing Lens material: PC Mounting Bracket: Alu firm bracket Beam: Combo beam 30000 hours above life time Dimensions: 50 inch Certificates: CE & RoHs Features: Brand new and high quality. Long life span and stable performance. The bracket is easy to install. Low consumption energy saving. Waterproof and anti-corrosion , can be used in the rain or harsh environments. Shake-proof ,because of Aluminum Casing. Can be installed on different trucks, SUVs, cars, ships and other means of transport. Package Include: 288W LED Light Mounting brackets, We provide with 2-year warranty period from the date of purchase. Warranty does not cover breakage due to improper installation and usage
Product feature: LED Trpe: Epistar LED, LED Power: 288W, Operating Voltage: 10-30DC, Waterproof rate: IP 67, 96 pcs*3W high intensity LEDs
Product brand: Topcarlight
Target attributes: Installation
Answer: attribute: installation
value: 4x4
source: product title