Strictly speaking, no, not all remotes are universal. Many of the universal remotes listed come with TVs, VCRs, AV receivers, etc. and have the ability to control other components. For instance your TV remote may be able to control your DVD player if you know the right code. Sometimes a component's remote that is not truly universal works just fine, but if you have several components (for example TV, receiver, DVD player, cable or satellite system) or more obscure components, then the included remote may not be powerful enough to control them all. It may take a true universal remote to control all components with just one remote.
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Universal remote . Use for home appliance 4in1 TV/CBL/DVD/AUX.Huge code library for global . Silver brush texture design , 45 keys and 2xAAA batteries
PC programmable remote . Use for home appliance 4 in1 TV/SAT/DVD/AUX .3.5mm audio port for code program . 52 keys and 2xAAA batteries.
Universal remote . Use for home appliance 4 in1 TV/SAT/DVD/AUX .Huge code library for global . High glossy design , 57 keys and 2xAAA batteries.