2 Set Electronic Accessories: 1 Set x Digital to Audio Converter & 1 Set x Thermal FuseThis Digital to Analog Audio Converter is designed for either home audio switching.Free Optical Audio Cable.It converts Coaxial or digital audio signals to analog stereo L/R audio and available for connection to an external device such as an amplifier via standard RCA-style jacks.Compact size, Easy to install and simple to operate.A thermal fuse is a cutoff which uses a one-time fusible linkThis is a single-use device that cannot be reset and must be replaced when it fails or is triggeredFeatures insulated leads for convenient useProfessional knowledge is needed to use this product.Input Audio: Coaxial o r Toslink digital audioOutput Audio: Analog L/R stereo audioInput audio connector: Toslink, 1x RCA (Coaxial)Output audio connector: 2x RCA (R/L)Sampling rate: 32, 44.1, 48 and 96 KHzDigital to Audio Converter Size:about 64 x 40 x 25mmProduct Name : Thermal Fuse;Rating : 250V 10ACutoff Temperature : 142 CelsiusFuse Size : 4 x 13 mmTotal Length : 6.5cmThermal Fuse Weight : 10gMaterial : Aluminum + Fuse + Metal Leads + plasticColor : Silver + blackPackage Contents:1 x Digital to Audio Converter1 x USB cable1 x Optical fiber cable10 x Thermal FuseOnly 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.