1、Hands Free. Once enable VOX function, just speak to the radio and it will begin broadcasting automatically, no need to press PTT button. 2、9 Squelch Levels. Adjust the squelch level to mute background sound to some extent and bring yourself crisp and smooth sound. 3、Humanized Design. You can turn on LED flashlight for emergency lighting. And with knob, easy to adjust volume quickly. 4、LED Display. Easily get to know the operating channel, frequency, signal strength, remaining power, and other enabled or activated functions. 5、Long Lasting Battery. With built-in 2800mAh lithium battery plus battery saving function, you can use it for a long time. Specification: Color: Yellow Frequency range: 136-174MHz 200-225MHz 400-520MHz Memory channels: Up to 128 channels Frequency stability: 2.5ppm Frequency step: 2.5/5/6.25/10/12.5/25KHz Impedance: 50 OHM Operating temperature: -20°C-60°C Supply voltage: Rechargeable Lithium-Ion 7.4V Battery Capacity: 2800mAh Standby consumption: ≤75mA Reception consumption: 380mA Transmission consumption: ≤1.4A Working mode: Simplex or semi duplex Transmitter: RF power: 8W/1W Modulation type: FM Emission class: 16K  øF3E/11KøF3E(W/N) Maximum deviation: ≤±5KHz/≤±2.5KHz(W/N) Spurious emission: <-60dB Receiver: Receiver sensitivity: 0.2µV (at 12 dB SINAD) Inter modulation: 60dB Audio output: 1000mW Adjacent channel selectivity: 65/60dB Item size: 110* 58* 32mm/ 4.33* 2.28* 1.26in Item weight: Approx. 130g/ 4.59oz 1 * Interphone 1 * Battery pack 1 * Power Adapter 2 * Antennas 1 * Lanyard