With its small size, easy to carry the feature, and stylish appearance, GT-1 is suitable for various wireless communication industries and is deeply loved by outdoor sports enthusiasts. Besides, it can be widely applied in airports, hotels, large shopping center, entertainment venues, and other industries, etc. Using industry-leading materials and technology, also with re-optimized design, the GT-1 walkie-talkie has an outstanding performance in all aspects such as appearance, grip, weight, function, and features. Functions 1. 16 channels 2. FM Function 3. 1500mAh Li-ion battery 4. 50 CTCSS/105 CDCSS 5. VOX Function 6. Voice Prompt 7. PC Programming 8. Emergency Alarm 9. Intelligent Charging 10. Battery Save 11. Low Voltage Alert 12. Time-out Timer 13. Flashlight Specifications Frequency range: 400-470 MHz (TX / RX) Channel: 16 Frequency stability: ± 2.5ppm Antenna: Dual band High Gain antenna Antenna impedance: 50Ω Operating voltage: DC 7.4V Dimension (W x H x D): 2.4 x 1.3 x 5.2 inches Weight: 500g (including battery, antenna) Note Antenna Type: Compatible with SMA-Female Antenna Earpiece & Programming Type: Compatible with K-plug earpiece/cable