PNI Audio baby monitor B6500 wireless, intercom, with night lamp, vox and pager function, one

/ each unit Battery/rechargeable battery: 6 x NiMH AAA 1.2 V 800 mAh VOX function: Yes Child unit functions Transmission frequency: 2.4 GHz Operating range in open field: up to 100 m Operating temperature: -26 °C ~ +80 °C Power supply: DC 5 V/1 A or 3 x AAA battery Built-in microphone: yes Built-in speaker: yes Dimensions/weight: 70 x 40 x 100 mm / 125 g Night light: yes VOX function: yes Pager function: yes Features of the parent unit Transmission frequency: 2.4 GHz Operating range in open field: up to 100 m Operating temperature: -26 °C ~ +80 °C Power supply: DC 5 V/1 A or 3 x AAA battery Integrated microphone: Yes Integrated speaker: Yes Dimensions/Weight: 70 x 40 X 100 mm / 125 g Other functions: Bidirectional audio Microphone sensitivity (Hi/Lo) Low battery and out of range warning Volume control Battery autonomy 7 hours Charging time 6 hours Package includes User manual: Yes Child unit: Yes Parent unit: Yes Power cord : Yes, 2 x USB2.0/USB Type-C.