Halo Wireless Baby Monitor monitor baby's reaction Baby MonitorFrequency: ISM 2, 400 - 2, 483MHz, 4 Channel Selectable; ~ Product Size ( L x W x ... *35mm~ Net Weight : (Camera)390g, (Receiver)250g; ~ Outdoor Range : 100M; ~ 2.5" TFT LCD Screen Display~ Imaging Sensor : 1/3 Inch ... : Battery x 1, 9V Battery Clip x 1, Adapter x 2, A/V Cable x 1, Earphone x 1