Digital baby-phone for quiet hours and save nightsConsisting of parent and baby unitEco-mode for low emission and energy efficient transmissionDigital wireless technology for excellent sound qualityVisual noise level monitoring with flashing LEDsInterference-free transmission with 120 different channelsImmediately ready for operation - no installation requiredRange of up to 300 meterRange control with signal when contact is interruptedVolume adjustment (parent unit), Change battery alarmTransmission frequency 1.8 GHzIncl. mains parts and Ni-HM rechargeable batteries in the parent unitPower supply: Input: 100-240 V AC / 50/60 Hz / 150 mA Output: 6 V DC / 450 mA