Yellow penlight made by Ruifan Japan, King Blade model. - Brand: Ruifan Japan - Model Name: King Blade - Color: Yellow 167mm with regular grip attached 208mm with FIGHTER grip attached Item weight: 30 grams light_source_type: LED Power source: Battery-powered Number of batteries: 3 alkaline button batteries (included) Voltage: 4.5 volts Battery description: Uses 3 LR44 batteries Number of light sources: 1 Batteries included: Yes Thank you for viewing. I am selling this item new and unused because the size was different from what I expected. Since it is new and unused, we cannot accept returns for initial defects. Available for immediate purchase.