power modes 7W and frequency range 88.1-107.9MHz. High Stability with -generation integrated NC FM stereo radio transmitter chip BH1415, built-in PLL advanced modulation system, audio pre-emphasis, limiter and low pass filter circuit. Clear Stereo Sound with AT89C2051 and AT24C02 control panel, three power amplifiers (two 2SC3355 2SC2053) to great sound quality output effect. Excellent Heat Dissipation with high quality aluminum alloy material, and excellent heat dissipation. Easy to Use with LCD display to show transmission frequency, easy to adjust and intuitive. Material: aluminum alloy colour: black Package Contents: 1 x FM Transmitter With Antenna Only the above package content, other products are not included. Note: Light reflection 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.