Features Channel Up to 25 call channels for users to choose Factory predetermined to 22 channelsQuiet code Ordinary mode 38 groups of CTCSS 61 groups CDCSSSound control function Professional model 50 groups of CTCSS 105 groups CDCSSPower saving function Can be launched by voice controlTechnical Specification CH 25CH Factory predetermined to 22 channels Working temperature 20℃ 60℃DC DC 3 7VBattery Capacity 1000 mAhChannel interval 12 5 K 25KHzImpedance 50ΩDimensions 84mm x 35mm x 12mmWeight 48 gTransmitter Sensitivity ≤ 121 dBmAdjacent channel selectivity ≥70 dBInter modulation ≥70 dBSNR ≥48 dBAudio Distortion ≤ 3 Receiveing Frequency stability ≤±2 5 ppmPower ≤2WModulation Type F3EResidual FM ≤ 35 dBAudio Distortion ≤ 3 Package included 1 x Walkie talkie1 x Special charger1 x Charging Cable1 x Special headset1 x Manual Click here 1 x SlingNote This walkie talkie is a product with excellent design and advanced technology The following suggestions will help you fulfill your obligations in the warranty terms understand and understand the security of using walkie talkie 1 Please do not try to remove the walkie talkie non professional personnel to disassemble the handling of the walkie talkie may cause damage 2 This machine can use a universal mobile phone charger 5V 3 Please do not take the intercom time to sunly in the sun or placed overheat 4 Do not put the walkie talkie in a dust or wet place 5 Do not clean the walkie talkie with stro