puxing px-777 vhf 136-174mhz x 2pcs + earpiece + 1pc Watch

http://www.409shop.com/409shop_product.php?id=106822

2x PX-777V+1x Watch 2 set Puxing PX-777 VHF 136-174Mhz + earpiece + 1pc Watch 　 1.VHF 2.136Mhz ~174Mhz 3.VHF 5W output power 4.128 memory channels 5.Built-in 50  CTCSS and 104 DCS 6.Wide (25kHz) and Narrow(12.5kHz) channel spacing programmable in separate channels 7.Come with 1200mAh Li-ion battery 8.Input Frequency directly by keypad 9.VOX built-inPX 10.Frequency Scan & CTCSS Scan 11.Three different scan type: TO/CO/SE 12.Three color LCD backlight display 13.Sound Alarm 14.Programmable by PC software 16.Priority Scan Function 17.Adjust power High/Low 18.Switching between Channel/VFO 19.Display Channel+ Frequency mode. 20.Adjust squelch level (0-9) 21.Busy channel lockout 22.Keypad lock 23.Reverse Frequency Function 24.Channel step 5k,10k,6.25k,12.5k,25k 25.Program alphanumeric channels name 26.Self-program 　 TECHNICAL: Frequency Range 136―174MHz Working Temperate －20℃―＋50℃ Operating Voltage DC 7.2V Operate Mode Simplex or Semi-duplex Dimension 100mm×55mm×32mm (Not included Antenna) Weight 220g (Including battery) Antenna impedance 50Ω Transmitter Frequency Stability ±2.5PPM Output Power ≦5W Max Frequency Deviation ≦5KHz Audio Distortion ≦3% Modulation Character +3dB—-3dB  Adjacent Channel Power ≥65dB Spurious Radiation ≤7.5UW(-36db for CE) Occupied Bandwidth ≤16KHz Receiver RF Sensitivity ＜0.2UV(12DB SINAD) Audio Distortion  ≦3% Audio Response +2dB—-10dB  Adjacent Channel Selectivity ≥60dB Intermodulation Rejection ≥60dB Blocking  ≥80dB