1pcs ADJ Power supply module & 10pcs 16AWG 5.9in ATC/ATO Inline Fuse Holder ,with 15AMP blade fuses :Material: ABS+ copper & pc+ metalEasy to use: Turn one fuse slot into two while providing protection for both circuits.Simple installation: No "SPLICING" or "WIRE CUTTING" necessary to install your electronic accessories!Multiple fits: Fit for all kinds of vehicles-cars, Jeeps, ATVs, UTVs, SUVs, motorcycles, trucks, boats, RVs, CD players, fax machines, etc.DC-DC Buck Converter Step Down Module LM2596 Power SupplySAFETY PROTECTION: Heavy duty 16 AWG fuse holder, great look and addedSUITABLE FOR MUITILPLE FUSES: Fits for 1A, 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A ATC/ATO blade fuseInput voltage: 4V-35VOutput voltage: 1.23V-30VInput current: 3A(maximum)WATERPROOF FUSE HOLDER: Unique design of dual slot tight-fitting waterproof lid to enhance moisture-proof and waterproof performance. It's no doubt that this is inline fuse holder extremely safe and reliableSUPERIOR QUALITY: High-quality materials ensure high fatigue resistance, melting resistance and excellent electrical conductivity which allows easy installation of additional circuits without cutting or spicingFunction: To efficiently protect electric appliances from short circuit of improper use.Conversion efficiency: 92%(highest)Switching frequency: 150KHzOutput ripple: 30mA9maxmum)Color: as shownMaterial: ABS+ copper & pc+ metalsize: 15cmPackage Contents:1*ADJ Power supply module10 x 16AWG 5.9in ATC/ATO Inline Fuse Holder10 x 15AMP blade fusesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.