2.4GHz 4-CH Rechargeable CCD Wireless Surveillance Security Digital Video Camera Built-in rechargeable battery,charger for 0/0.5(nokia charger)5V1A With a night vision device Image-carrier power 8~10dBm Image carrier frequency channel system: CH1 2.414GHz/CH2 2.432GHz/CH3 Carrier-level voioe and image carrier level gap -25dB3dB