This is a vintage solid-state handheld CB radio which can transmit and receive on two channels. The Realistic TRC-25A also features a battery strength meter and a hand strap.
The TRC-25A has a black, yellow/orange, and metallic exterior. There is a channel switch on the front panel, a chrome knob on the side, and a battery compartment cover on the back.
According to RadioPics.com, this Realistic CB radio has a top transmitter output of four watts (you can also find a photo of it at their site). This is close to the maximum legal output (5W).