Features:New and high qualityChannel scanChannel lockAutomatic squelchAutomatic battery saveBuilt-in flashlightSelective channelsLCD backlitAuto channel scanPage tone alertLow battery alertSpecifications:Frequency: 409-410MHZTransmit power: 0.5WBatteries: Use 3xAAA size batteries (not included)Communication Range: 40-50 meters indoor， outdoor 100-200 meters， open area 800 mDimension: 3.35 x 1.97 x 0.98 in (L x W x H)Shell Material: High-quality plasticPackage Include:2 x Handheld Two-way Radio Walkie Talkie