Product information:

Frequency range: 136-174/400-520 (MHz)
RF output power: 1/5/10 (W)
Number of channels: 128
Theoretical communication distance: 1-15 (km)
Working voltage: 7.4 (V)
Battery type: lithium battery
Boundary dimension: 250 * 60 * 32 (mm)
Battery capacity: 2800mAh
Size: 115 * 58 * 32mm
Use: mountain climbing, travel, driving, etc

Packing list:

Walkie-talkie *1
Battery *1
Antenna *1
Charger base *1
Fire bull *1
Back clip *1
Lanyard *1
Instruction Manual *1