SG（Ready Stock)Motorola MT918 Portable Mini Radio30 Watt 29800 mAh 16 Channels UHF 400-470MHz Clear Audio Handheld Outdoor Walkie Talkie IP54 Waterproof 100% Original Brand Supports copy frequency function

Distance: 1-8kmNote: We cannot guarantee the long -term distance, because different buildings and different geographical locations have produced different changes. Please learn more about details before placing an order.Walkie Talkie system: simulationBattery capacity: 23800mAH 25 days standbyChannel: 16Frequency: automatic frequency matchingPower: 58WParts and quantity received: this is the price of one piece. Please order according to the quantity you need.Frequency: automatic frequency matchingClick frequency description: If you do not understand the operation, please contact customer service. The operation is very simple.1. Open channel 1 for all interphones requiring frequency at the same time.2. Check whether all are on channel 1, and then close G007. After closing, press the two keys with two fingers at the same time, press the button on the left and the start button, and do not release the two fingers. Then turn on the machine. When you see the green light flashing, press and hold the PTT key on the interphone to match the frequency. Hearing the beep, the match was successful.If you want to pair all channels, channel 1 has been paired, and then directly adjust to channel 2, press and hold the start key, and so on