What's in the box:

Auto Car FM AM Radio Stereo Signal Antenna Aerial Signal Amplifier Booster 12V (Standard)

The antenna amplifier can help car radio get well reception, improves signal concentration. It is easy to connect to power antenna guide line or 12V source.

Features:
Compatible with ALL AM+FM stations.
Well reception and clearer radio.
Improves signal concentration.
Red wire connects to power antenna guide line or 12V source.
Easy to install.

Specifications:
Material: Plastic
Color: Black
Power: DC10~15V
Connector: Reinforced Copper
Transmission Type: FM
Gain: 25-30dB
Package Weight: 56g / 1.98ounces
Package Size: 55 * 35 * 15mm / 2.17 * 1.38 * 0.59in

Packing List:
1 * Antenna Amplifier
1 * Sticker