Features:

Cigarette lighter power supply
Suitable for all iPhone & iPod
Plays any iPod / iPhone while synced charging;
USB output charging for Mobile Phones, GPS, and other devices.
Tightly fitting clamps hold your device securely.
Full frequency range
Back-lit LCD Screen.

Specifications:

Frequency Range: 88.1-107.9MHz;
Interval: 0.1MHz;
Effective Range: about 5m;
Input voltage: DC 12~24V;
Output voltage: DC 5V;
Work environment: -10C~55C;
Dimensions:110(L) x 65.5(W) x 40(H)mm;
Weight: 191g

Package included:

1 x FM Transmitter
1 x 3.5mm to 3.5mm audio cable