Features： 1、High Quality Material: Mobile radio is made of high quality metal and plastic material, high strength, wear resistant, sturdy and durable. 2、Compact Design: Car two way radio is small enough to mount just about anywhere in any vehicle, convenient and practical. 3、Multifunction: GMRS frequency, dual display, dual standby, remote stun, remote activate, remote kill, long distance communication, alarm function. 4、Excellent Performance: High power, strong penetration and wide coverage, compatible with 136‑174MHz and 400‑480MHz dual band. 5、Easy Installation: Easy to install, no complex operation is required, convenient for using, save your time and energy. Specification： Item Type: Dual Band Transceiver Material: Metal+plastic Frequency Range: VHF: 136-174MHz UHF: 400-480MHz Center Frequency: 144-148MHz, 430-440MHz Frequency Stability: ±2.5ppm Frequency Spacing: 2.5 / 5.0 / 6.25 / 10.0 / 12.5 / 15 / 25KHz Squelch Setup: CARRIER / CTCSS / DCS / 5Tone / 2Tone / DTMF Antenna Impedance: 50 Ohm Operat Temperature: -5°F - +140°F Supply voltage: 13.8V DC±15% Function:  GMRS frequency, Dual-display, Dual-standby Remote Stun, Remote Activate, Remote Kill DTMF Function 2 tone, 5 tone PTT-ID code Long-distance communication FM radio Alarm function Monitor Scrambler(Option) Technical Standards: Receive Parameter Sensitivity: ≤0.25μV / ≤0.35μV Channel Choice: ≥70dB / ≥60dB Intermodulation: ≥65dB / ≥60dB Spurious Rejection: ≥70dB / ≥70dB Audio Response: +1 - -3dB(0.3-3KHz) / +1 - -3dB(0.3-2.55KHz) SNR: ≥45dB / ≥40dB Audio Output Power: ≥2W±10% Transmit Parameter: Output Power: 25W/20W Modulation Mode: 16ΚΦF3E / 11ΚΦF3E Channel Power: ≥70dB / ≥60B SNR: ≥40dB / ≥36dB Parasitic Harmonic: ≥60dB / ≥60dB Audio Response: +1 - -3dB(0.3-3KHz) / +1 - -3dB(0.3-2.55KHz) Audio Distortion: ≤5% Package List： 1 x Dual Band Transceiver 1 x Hand Microphone 1 x Microphone Hook 1 x Double Sided Adhesive Tape 1 x Fixed Support 1 x Screw Mounting Kit(16pcs) 1 x Cigarette Lighter Power Cord 1 x Fuse 1 x User Manual