1. Easy to operate and easily master various functions, combining over 50 functional menus 2.Emergency weather alerts bring more convenience to your outdoor travel 3.Supports simple, fast, and reliable transmission technologies for individual calls, group calls, and full calls 4.Multi segment sending and receiving dual display dual standby 5.High performance speakers have a loud and clear sound that is not afraid of noisy environments for intercom Channel count: 200 FM radio storage capacity: 20 channel: 10 Frequency stability: 1ppm Working voltage: 7.4V Working voltage Temperature: -20 +60 C Antenna impedance: 50 Transmission power: 5W Emission current: 1.5A Reference sensitivity: FM (12dB SINAD) F1 (50~76) -121dBm F2 (108~135.9975) -121dBm F3 (136-173.9975) -123dBm F4 (174~349.9975) -123dBm F5 (350~399.9975) -123dBm F6 (400~469.9975) -123dBm F7 (470~599.9975) -121dBm WFM (76-108) WFM (20db SINAD) -110DBM AM (10db S) -113dbm Audio power: 0.5W Audio distortion: 10% Frequency band: 144-148/430-440 Transmission power: 5W Emission current: 15A Maximum frequency offset: 5KHz (25KHz)/ 2.5KHz (12.5KHz) Modulation distortion: 5% Stray component: 7.5uW Temporary power: 70dB (25KHZ)/60dB (12 5KHZ) Residual modulation: 40dB Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:ABS Package Contents: 1 x Host 1 x Lithium battery 1 x Antenna 1 x Charging cable 1 x Back clip 1 x Lanyard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.