Model Number: V20 Baby unit Transmission frequency: Ism 2400-2483MHz Transmission power: 17dBm Modulation type: FSK Power Supply: DC5V Power consumption: 70mA Operating temperature range: -10 Celsius ~ + 60 Celsius Storage temperature: -40 Celsius ~ + 70 Celsius Size: 235*135*55mm Weight: 350g Parent unit Transmission frequency: Ism 2400-2483MHz Transmission power: 17dBm Receiver sensitivity: -85dbm Modulation type: FSK Power Supply: DC5V Power Consumption: Poma Operating temperature range: -10 Celsius ~ + 60 Celsius Storage temperature: -40 Celsius ~ + 70 Celsius Size: 62mmX45mmX103mm Weight: 78g colour: white material: ABS plastic Plug Type: EU PlugUK PlugAU PlugUS Plug Package Content: 1* baby Walkie-talkie 1 *parent Walkie-talkie 1 *AC adapter for baby devices 1 *AC adapter for parent device 1 * English manual (excluding Batterise)