1 flash strobe 1513: Inline Mounted; transparent; red, yellow and can be customized AC and DC voltage level, flicker frequency and lamp power. 2 Flash Strobe 7025: Inline Mounted; transparent; can be customized AC and DC voltage level, flicker frequency and lamp power. 3 flash strobe 4163A: external screws; transparent; red, yellow and can be custom AC and DC voltage level, flicker frequency and lamp power. 4 flash strobe 4163B: external screws; transparent; can be custom AC and DC voltage level, flicker frequency and lamp power. Product Specifications Product Name: flash, strobe light Model: 4163A Size: ∮ 41mm × 63mm Description: outer screws; 220V AC voltage input. Easy installation Product Benefits This product is imported from Germany made light control, long life, stable, strong brightness, easy installation, reliable quality, reasonable price Major markets East, West Reference Price Negotiable Payment China Postal Savings 605864003220250491 MOQ Negotiable Delivery Date Determined by the amount of