Function:WALKIE TALKIE ,TRANSCEIVER ,TWO WAY RADIO,OUTFIT MATERIAL,BATTERY,CHARGER ,ANTENNA,EARPHONE,ETC, Detailed Product Description1) Can Standby for 100 hours2) Jacklight3) Output ... Rejection≥65dBBlocking≥85dBAudio Power0.3WAudio Distortion<10% two way radio,walkie talkie,transceiver CY-810