1. Special Features: Music player, Two-way Audio, Sound Detection 2. Connection Type: Wireless 3. Transmission Frequency: 2.4Ghz 4. Wireless Range: Up to 20m in open area 5. The baby end does not have a battery, but the mother end has a built-in 750 mAh battery 6. Working Temp.: -10 to 60 celsius degrees 7. Features: Intercom, Night light, Remote Control 8. Power adapter: EU plug, US plug, AU Plug, UK Plug
