- Model;T-228<br />- Color: Black + silver<br />- Plastic material housing<br />- Frequency: 400~470MHz<br />- Modulation type: FM-R3E<br />- Channel-spacing: 12.5 / 25KHz<br />- Power: 0.5W<br />- Voltage: DC 7.0V / 350mA<br />- Working range: 5 km<br />- Each powered by 3 x AAA batteries (not included)<br />- English user manual was included<br /><br />                                                                                                                                Dimensions: 4.45 in x 1.77 in x 1.26 in (11.3 cm x 4.5 cm x 3.2 cm)<br />Weight: 1.76 oz (50 g)<br /><br />